Images with color elements derived from the light source itself. RGB is a common form of additive color. See also RGB.
A set of saved adjustment parameter settings. You can create new adjustment presets and rename, rearrange the order of, and delete existing adjustment presets. Adjustment presets appear in the Presets pop-up menu in the Adjustments inspector and the Adjustments pane of the Inspector HUD, and you can also access them by choosing Photos > Add Adjustment Preset. See also adjustment.
A type of container in the Aperture library that holds only versions. You can create albums at either the project level or within a project. There are specialized types of albums, including book, Light Table, webpage, web journal, and slideshow albums. See also folder, library, project, Smart Album, version.
The image immediately next to the pick in a stack. Alternate images are useful when more than one image in a stack merits the pick position. See also image, pick, stack.
A secondary Viewer setting that presents the currently selected image on the secondary Viewer display. See also display, image, main Viewer, primary selection, secondary Viewer.
The lighting characteristics that already exist in the scene (indoor or outdoor) without any additional light supplied by the photographer.
The process of transforming light energy voltage values captured by the camera’s digital image sensor into binary (digital numbers) for processing and storage. See also digitization, quantization.
The area of the scene displayed within the frame. Determined by the focal length of the lens.
An adjustable iris or diaphragm in the lens through which light passes. Measured in f-stops. See also f-stop.
A setting on certain cameras that automatically sets the shutter speed for a correct exposure based on the aperture setting provided by the photographer. See also exposure, shutter priority.
The ratio of height to width of the dimensions of a photograph. Common North American aspect ratios are 3.5 x 5, 4 x 6, 5 x 7, 11 x 14, and 16 x 20 inches.
An audio file that has been attached to an image, either in the camera that captured the image or within Aperture. Audio attachments are often audio notations recorded by the photographer while shooting an image.
An instance of a segment of audio in Aperture; an audio file’s version. See also audio file, version.
The source media file on disk to which an audio clip in Aperture refers; the audio clip’s master. See also audio clip, master.
The system within the camera that automatically focuses the lens on a specific portion of the subject or scene. See also autofocus point overlays.
Overlays displayed over images in the Viewer that show which autofocus mode was used by the camera and which focal point was used to focus the image when it was captured. You turn on autofocus point overlays by clicking the Autofocus Points button in the Camera Info pane of the Metadata inspector. You can also temporarily view autofocus point overlays by placing the pointer over the Autofocus Points button. See also autofocus.
A setting on many professional cameras that automatically brackets the exposure of the image. See also bracketing.
The area in the rear of the image that appears behind the subject. See also depth of field, foreground.
A light source that faces toward the lens of the camera, emanating from behind the subject. Backlighting makes the outline of the subject stand out from the background, often resulting in a silhouette. See also frontlighting, sidelighting, silhouette.
A small icon Aperture places on an image to indicate that an adjustment, keyword, or other change has been applied to it. See also adjustment, keywords, offline.
A specific arrangement of red, green, and blue lenses attached to the surface of a digital image sensor. There are roughly twice as many green lenses as blue and red to accommodate how the human eye perceives color. See also charge-coupled device (CCD), complementary metal oxide semiconductor (CMOS), digital image sensor.
The number of tonal values or shades of a color each channel in a pixel is capable of displaying. Increasing the bit depth of color channels in an image’s pixels exponentially increases the number of colors each pixel can express. See also color channels, color depth.
An adjustment in Aperture that allows you to selectively control the source red, green, and blue color channels when a color image is converted to grayscale. See also adjustment, grayscale, image, monochrome.
Black point compensation ensures that black and white luminance values are appropriately scaled to fit within the range or gamut of the destination device (printer, paper, and ink). Using black point compensation helps prevent clipping in shadows because the blacks are scaled to fit within the gamut of the printer, paper, and ink.
An Exposure adjustment parameter in Aperture used to set the blacks in the image. See also Exposure adjustment.
A secondary Viewer setting that sets the secondary Viewer display to be a blank screen. See also display, secondary Viewer.
A type of Quick Brush adjustment that softens the area of the image the adjustment is brushed on. See also adjustment, Brush HUD, Quick Brushes.
Natural and unnatural light sources (flash and tungsten) redirected toward the subject using a reflective surface to give the effect of natural light as well as fill-in shadows. See also color temperature, fill-in lighting, White Balance adjustment.
The process of taking three shots of the same image based on the aperture and shutter values recommended by the light meter: a shot one stop under the recommended exposure, a shot at the recommended exposure, and a shot one stop over the recommended exposure. You can also narrow the bracketing range to fractions of a stop. Bracketing is used in difficult lighting situations to ensure the scene is captured with the correct exposure. See also automatic bracketing.
An Exposure adjustment parameter in Aperture used to lighten or darken an image. The adjustment affects the brightness values of the image’s midtones the most. See also adjustment, Exposure adjustment, midtones.
The part of the Aperture interface that displays the contents of the library, projects, or albums. The Browser displays images as a row of thumbnails (filmstrip view), a grid of thumbnails (grid view), or by file information (list view). See also filmstrip view, grid view, list view, Viewer.
A main window layout in Aperture in which the Viewer is hidden. See also Browser, Full Screen view, Split View layout, Viewer, Viewer layout.
A view mode in Full Screen view, similar to the Browser in the Aperture main window. When Full Screen view is set to Browser mode, images are presented as thumbnails against a black background. Aperture provides controls for searching for and sorting the thumbnails in this mode. See also Browser, Full Screen view, Library Path Navigator pop-up menus, Projects mode (Full Screen view), Viewer mode (Full Screen view).
A type of adjustment in Aperture that is brushed on the image rather than applied to it all at once. Most adjustments can be brushed on an image. See also adjustment, brushed adjustment overlay, Quick Brushes.
A masking tool in Aperture used to identify brush strokes that have already been applied to an image. See also Brush HUD, Quick Brushes.
A floating window used to set the size of the brush, the softness of the brush’s edges, and the strength of the brush stroke for the selected adjustment. The Brush HUD also contains controls for deleting brush strokes, working with overlays, limiting the adjustment to specific tonal ranges, and edge detection. See also Detect Edges, brushed adjustment overlay, Quick Brushes.
A manual shutter speed setting on many cameras used for timed exposures. When the shutter is set to B, the shutter stays open until the photographer presses the shutter release button. See also shutter, shutter speed.
A type of Quick Brush adjustment that darkens the area of the image the adjustment is brushed on. See also adjustment, Brush HUD, Dodge Quick Brush, Quick Brushes.
The process of creating an accurate color profile for a device. Calibrating a device ensures accurate color translation from device to device. See also device characterization.
A photographic device usually consisting of a lightproof box with a lens at one end and either light-sensitive film or a digital image sensor at the other. See also digital point-and-shoot camera, digital single-lens reflex (DSLR) camera.
Blurring of the image caused by the combination of a slow shutter speed, a small aperture, and a long focal length. See also aperture, shutter speed, tripod, unipod.
Refers to a photograph of a person that appears to have been taken informally and unposed, without the subject’s knowledge. See also composition.
a. The process of taking the image received by the digital image sensor and camera processor and storing that information on the memory card in the camera. b. The process of recording an image in Aperture at the moment it is shot via a tethered camera. See also camera, digital image sensor, memory card, tethered shooting.
A type of metering that measures the light in the entire viewfinder but gives extra emphasis to the center of the frame. Center-weighted metering is the most common type of metering in consumer cameras. See also evaluative metering, light meter, spot metering.
A type of digital image sensor that records the pixel information row by row. See also complementary metal oxide semiconductor (CMOS), digital image sensor.
An adjustment in Aperture that corrects chromatic aberration, produced by certain lenses when the image was shot. Some lenses refract light at specific focal lengths, resulting in a rainbow effect in the image. See also adjustment, light.
The extent of colors affected by the Hue, Saturation, and Luminance parameters in the Color adjustment. See also adjustment, Color adjustment.
A type of Retouch brush in Aperture used to correct and obscure imperfections in an image by copying pixels from a similar-looking area of an image and pasting them over the area with the pixels you want to replace. See also Repair brush, retouching, Retouch adjustment.
An image in which the subject usually appears within 3 feet of the camera. For example, head shots are often referred to as close-ups. A shot of an ant on a flower’s petal, where the ant fills a majority of the frame, is also a close-up.
A working space used for print pieces combining cyan, magenta, and yellow inks in different combinations to create a color that reflects the proper color of light. Black ink (K) is added to the image last to generate pure black on the page. See also subtractive color, working space.
Short for compressor/decompressor or encode/decode. A software component used to translate video or audio from its analog uncompressed form to the digital compressed form in which it is stored on a computer’s hard disk. Also referred to as a compressor.
An adjustment in Aperture used to adjust hue, saturation, and luminance on a color-by-color basis, as well as chromatic range. See also adjustment, chromatic spread, hue, luminance, saturation.
An unnatural tint in an image due to a lack of color balance. Color casts are often caused by artificial light sources such as interior lighting. Color casts in images are commonly removed by adjusting levels, tint, or white balance. See also White Balance adjustment.
The individual channels into which color information for digital images is divided. Each individual color channel represents one of the three individual primary colors that combine to represent the final image. Each channel has a bit depth; most digital image files have 8 bits per channel, meaning that there are 256 levels of color for each channel. See also bit depth, color depth.
The possible range of colors that can be used in an image. There are generally three choices with digital images: grayscale, 8-bit, and 16-bit. Higher color depths provide a wider range of colors but require more storage space. See also bit depth, color channels, grayscale.
An instrument capable of measuring the color value of a sample, using color filters. A colorimeter is used to determine if two colors are the same. However, it does not take into account the light under which a sample is measured. Colorimeters are often used to calibrate displays and printers. See also calibration.
The process of calculating additional color values from light captured via the red, green, and blue elements on the digital image sensor.
A type of metadata that can be assigned in Aperture to help organize and filter images. You can assign one of five color labels to an image, as well as assign a specific meaning to each type of color label. See also metadata.
An application that controls and interprets the reproduction of color between devices and imaging software for accuracy. See also ColorSync.
A software algorithm designed to translate color information from one device profile to another, such as from your display to your printer. ColorSync is a thoroughly integrated CMM used by Mac OS X. See also ColorSync.
An adjustment in Aperture that desaturates the image and applies a color tint of your choosing to the midtones. See also adjustment, desaturate, image, midtones, monochrome, Tint adjustment.
A mathematical model used to describe part of the visible spectrum. Color from one device is mapped from the device-dependent value to a device-independent value in a color space. Once in an independent space, the color can be mapped to another device-dependent space. See also device dependent, device independent.
A color management system that is part of the Mac operating system. In Mac OS X, ColorSync is thoroughly integrated with the entire operating system and is available to all native Mac OS X applications. See also color management system (CMS), color matching method (CMM), ColorSync Utility.
A centralized application for setting preferences, viewing installed profiles, assigning profiles to devices, and repairing profiles that do not conform to the current ICC specification. See also ColorSync, International Color Consortium (ICC), profile.
Describes the color quality of light. Color temperature is measured in units called kelvins (K). See also kelvin (K), White Balance adjustment.
An organization established in 1931 to create standards for a series of color spaces representing the visible spectrum of light. See also color space, device dependent, device independent, lab plot.
In Aperture, an image set to remain onscreen while other images are viewed against it. The compare image is indicated by a green border. See also image.
A type of digital image sensor that is capable of recording the entire image provided by the light-sensitive elements in parallel (essentially all at once), resulting in a higher rate of data transfer to the storage device. Tiny colored microlenses are fitted on each light-sensitive element in a CMOS sensor to increase its ability to interpret light. See also charge-coupled device (CCD), digital image sensor.
The process by which digital image files are reduced in size. Lossy compression is the process of reducing digital image file sizes through the removal of redundant or less important image data. Lossless compression reduces file sizes by mathematically consolidating redundant image data without discarding it. See also decompression, LZW compression.
A type of receptor in the eye capable of perceiving color. There are three types of cone cells, each sensitive to a particular frequency range in the visible spectrum. Cone cells are capable of seeing either red, green, or blue colors. See also rods.
Based on a print preset in Aperture, a printed selection of thumbnail-sized images with or without associated metadata. Contact sheets in Aperture are similar in appearance to contact prints made by exposing negatives or transparencies against photographic paper.
The difference between the brightness and color values in an image that allows the viewer to distinguish between objects in an image. High-contrast images have a large range of values, from the darkest shadow to the lightest highlight. Low-contrast images have a more narrow range of values, resulting in a “flatter” look. See also Contrast parameter, Curves adjustment, density, flat.
An Enhance adjustment parameter in Aperture used to adjust the contrast in an image. See also adjustment, contrast, Exposure adjustment.
A type of Quick Brush adjustment that applies additional contrast to the area of the image the adjustment is brushed on. See also adjustment, Brush HUD, contrast, Quick Brushes.
The control bar contains buttons and controls you can use to rate and navigate through images, as well as apply keywords to them. See also keywords, rating.
The legal right to exclusive publication, production, sale, or distribution of a literary, musical, or artistic work. Typically, these rights are in effect for a specific period of time.
The process of printing or distributing only part of the original image. The general purpose of cropping an image is to create a more effective composition. Another reason for cropping an image is to make it fit a particular aspect ratio, such as 4 x 6. See also adjustment, aspect ratio, composition, Crop adjustment, effects.
An adjustment in Aperture that trims the image for the purpose of changing the composition or modifying the aspect ratio. The Crop adjustment is used in conjunction with the Crop tool. See also adjustment, aspect ratio, composition, crop.
An adjustment in Aperture that selectively remaps the tonal range of the image by applying a curve from input to output. Manipulating the curve modifies the tonal values in the image. See also adjustment, contrast.
The process of creating a viewable image from a compressed digital image file. See also compression.
An Enhance adjustment parameter in Aperture used to adjust the clarity of details in an image. See also Enhance adjustment.
A type of Quick Brush adjustment that adds clarity and reduces haze without adding too much contrast to the area of the image the adjustment is brushed on. See also adjustment, Brush HUD, definition, Quick Brushes.
In Aperture, the process of moving an image in a stack away from the pick position. See also Full Screen view toolbar, image, pick, promote, stack.
An instrument designed to measure the optical density of photographs. See also device characterization.
The ability of an image to reproduce distinct dark colors. An image with high definition in the darker colors is referred to as dense. See also contrast, flat.
The area of the image that appears in focus from the foreground to the background. Depth of field is determined by a combination of the opening of the aperture and the focal length of the lens. See also aperture, background, focal length, foreground.
To remove color from an image. Complete desaturation results in a grayscale image. See also Black & White adjustment, grayscale, saturation.
The working-space profile that defines the results of a color conversion from a source profile. See also profile.
A Brush HUD setting in Aperture that examines differences in pixel values to determine possible hard edges and then restricts the brush from affecting pixels beyond those edges, making it easier to paint adjustments into specific areas of the photo. See also Brush HUD.
The process of creating a unique, custom profile for a device such as a display or printer. Characterizing a device involves specialized dedicated hardware and software to determine the exact gamut of the device. See also calibration, gamut.
Describes color values that are contingent upon the ability of a device to reproduce those colors. For example, some colors produced by displays cannot be reproduced on paper by a printer. The colors produced by the display are outside the gamut of the printer. Therefore, those colors are considered to be device dependent. See also gamut.
Describes standard color spaces, such as CIE Lab and XYZ, where the interpretation of a color is not dependent on a specific device. See also color space, Commission Internationale de l’Eclairage (CIE).
An adjustment in Aperture used to correct unwanted vignetting applied to the image at the time it was captured. See also Vignette adjustment, vignetting.
A type of light that is scattered across the subject or scene. Diffused lighting results in an image with low contrast and detail, as seen in images captured outdoors on an overcast day. See also contrast, flat.
A description of data that is stored or transmitted as a sequence of ones and zeros. Most commonly, refers to binary data represented using electronic or electromagnetic signals. JPEG, PNG, RAW, and TIFF files are all digital. See also digitization.
The computer chip located at the image plane inside the camera that consists of millions of individual light-sensitive elements capable of capturing light. See also camera, charge-coupled device (CCD), complementary metal oxide semiconductor (CMOS), megapixel.
Misinterpreted pixels occurring as the result of high ISO settings; also known as chrominance signal-to-noise ratio. Random bright pixels, especially in solid colors, are the result of digital noise. See also ISO speed, noise reduction.
A lightweight digital camera with a built-in autofocus feature, aptly named for the two steps required of the photographer to capture an image. The lens, aperture, and shutter are one assembly that is usually irremovable from the camera. See also camera, digital single-lens reflex (DSLR) camera.
An interchangeable-lens camera where the image created by the lens is transmitted via a reflexing mirror through a prism to the viewfinder, and the viewfinder image corresponds to the actual image area. The mirror reflexes, or moves up, so as not to block the digital image sensor when the shutter is open. See also camera, digital point-and-shoot camera.
A term often used by photographers for converting images captured on film to a digital format, such as TIFF, using a film scanner.
Performing an adjustment that changes the shape or composition of an image. See also effects.
A type of Quick Brush adjustment that lightens the area of the image the adjustment is brushed on. See also adjustment, Brush HUD, Burn Quick Brush, Quick Brushes.
A printing term used to describe the enlargement of halftone dots as ink is absorbed into paper. Dot gain can affect the quality of an image’s appearance by reducing the amount of white reflected off the paper.
A printer resolution measurement that refers to the maximum number of dots within a square inch. See also print, resolution.
Changes in the way a device reproduces color over time. For example, the age of inks and the type of paper can cause a printer’s color output to drift. See also device characterization, gamut.
An effect that creates an artificial shadow behind an image. Typically used on websites and in photo albums to create the illusion of three dimensions.
A command in the Photos menu that duplicates the selected image version with all applied metadata and adjustments. See also adjustment, image, metadata, version.
The process of digitally removing the blemishes caused by dust and scratches on film scans. See also Retouch adjustment.
A type of printer that creates images by heating colored ribbon to a gaseous state, bonding the ink to the paper. See also inkjet printer, photo printer, print, RA-4.
An adjustment in Aperture that sharpens the image based on luminance using multiple sharpening passes. See also adjustment, image, Sharpen adjustment.
A general term used to describe the introduction of unnatural visual elements to enhance an image. See also compositing, filters.
A type of energy ranging from gamma rays to radio waves that also includes visible light. See also light.
The source profile saved in the digital image file. JPEG, TIFF, PNG, and PDF file formats support embedded profiles. See also device characterization, profile.
The tiny layers of gelatin, consisting of light-sensitive elements, found in film. When the emulsion is exposed to light, a chemical reaction occurs. After the film is developed, an image appears. See also dust and scratch removal, film.
An adjustment in Aperture that adjusts contrast, definition, saturation, and vibrancy, as well as black, gray, and white tints in an image. See also adjustment, contrast, Contrast parameter, definition, Definition parameter, saturation, Saturation parameter, tint, Tint adjustment, Vibrancy parameter.
A type of metering that operates by dividing the frame into several small segments, taking a reading from each individual segment, and processing the average of the total segments to recommend the best exposure value for the overall image. See also center-weighted metering, light meter, spot metering.
Short for Exchangeable Image File. The standard format for storing information—such as shutter speed, aperture, white balance, exposure compensation, metering setting, ISO setting, date, and time—about how an image was shot. See also IPTC, metadata.
The process of formatting data in such a way that it can be understood by other applications. In Aperture, images can be exported in their native RAW format, as well as in JPEG, TIFF, PNG, and PSD formats. The EXIF and IPTC metadata associated with an image can be exported as well.
The amount of light in an image. Exposure is controlled by limiting the intensity of light (controlled by the aperture) and the length of time light comes into contact with the digital image sensor (controlled by the shutter). Exposure affects the overall brightness of the image as well as its perceived contrast. See also adjustment, aperture, contrast, digital image sensor, Exposure adjustment, shutter.
An adjustment in Aperture that adjusts exposure, recovery, black point, and brightness. See also adjustment, Black Point parameter, Brightness parameter, exposure, Recovery parameter.
A setting in System Preferences that allows the Mac OS X desktop to span multiple displays. See also display, mirroring.
An application used in tandem with Aperture to perform advanced adjustments, such as compositing. Aperture creates a new master when an image is sent to an external editor and automatically retrieves the master when the image is saved. See also compositing, master.
A type of flash connected to the camera via the hot-shoe bracket or PC terminal. Using an external flash is the best technique for avoiding the red-eye effect in your subject’s eyes. See also flash, red-eye.
The process Aperture employs of examining an image to determine if a face appears in it. See also Faces view.
The process Aperture employs of using the face of a person who has been identified by the user to suggest other possible matching faces in the same Aperture library. See also Faces view.
An Aperture view that displays snapshots of people in images in the library or in an item selected in the Library inspector that have been assigned names. See also face detection, face recognition, Flagged view, Photos view, Places view, Projects view, skimming.
The use of an artificial light source, such as daylight lamps or flash, to soften a subject or fill in shadows. See also bounce lighting, color temperature, White Balance adjustment.
A flexible transparent base coated with a light-sensitive emulsion capable of recording images. See also dust and scratch removal, emulsion.
An interface element in Full Screen view that allows you to scroll through and search for images. See also Full Screen view.
A Browser view that allows you to quickly scroll through thumbnail images horizontally. See also Browser.
A floating window used to quickly locate images in the Browser based on a combination of criteria, such as adjustments, keywords, ratings, and EXIF metadata. See also EXIF, image, keywords, rating.
a. Modifiable search criteria used in the Filter HUD to return a specific selection of images. b. Effects applied in Photoshop that affect the visual quality of the image to which they’re applied. c. A colored piece of glass or plastic designed to be placed in front of a camera lens to change, emphasize, or eliminate density, reflections, or areas within the scene. See also compositing, density, effects.
The part of the Mac operating system software that keeps track of files, applications, and folders and displays the desktop.
The process of applying the final adjustments to a digital image just before presentation. Finishing may involve applying an additional gamma adjustment upon export, or using an external editor to either burn or dodge a portion of the image before sending it to the printer. See also export, external editor.
The trademarked Apple name for the IEEE 1394 standard, a fast and versatile interface used to connect external devices to computers. FireWire is well suited to transferring large amounts of data, and FireWire devices such as hard drives are often used to provide additional storage space. Aperture vaults are commonly stored on external FireWire hard drives. See also tethered shooting, USB, vault.
A type of metadata assigned in Aperture used to help filter images. You can flag images and then search for and display images in Aperture based on whether they are flagged or not. See also Flagged view, metadata.
An Aperture view that displays all images, audio clips, and video clips in the library that have been flagged. See also Faces view, flag, Photos view, Places view, Projects view.
A device either on or attached to the camera that emits a brief, intense burst of light when the shutter release button is pressed. Flashes, synchronized with the shutter, are used to obtain a correctly exposed image in low-light situations. See also exposure, external flash, fill-in lighting, hot shoe.
An adjustment in Aperture that inverts the composition of the image horizontally, vertically, or both. See also adjustment.
The distance from the rear nodal point of the lens to the point where the light rays passing through the lens are focused onto the image plane—the digital image sensor. Focal lengths are measured in millimeters (mm).
A type of container in the Aperture library used to organize projects and albums within projects. Folders do not contain images. See also album, library, project.
The area of the image between the subject and the camera. See also background, depth of field.
a. File format: A specific method of encoding information. Most well-known file formats, such as TIFF and PNG, have published specifications. b. Disk formatting: The preparation of a hard disk or other storage medium for use with a file system. For example, disk drives used with Mac OS X use the Mac OS Extended format. See also JPEG, PNG, PSD, TIFF, vault.
The border of an image. Frame can also be used as a verb to describe the process of constructing a composition within a specific image area. See also crop.
A light source, emanating from the direction of the camera, that faces toward the subject. See also backlighting, sidelighting.
The ratio of the focal length of the lens to the diameter of the opening of the aperture. See also aperture.
A workspace view in Aperture with minimal user interface, used to view full-screen images with the least amount of light and color interference. See also Browser layout, filmstrip, HUD, Split View layout, Viewer layout.
A collection of buttons and tools, grouped by function, located at the top of the screen in Full Screen view. See also toolbar.
A curve that describes how the middle tones of an image appear. Gamma is a nonlinear function often confused with brightness or contrast. Changing the value of the gamma affects middle tones while leaving the whites and blacks of the image unaltered. Gamma adjustment is often used to compensate for differences between Mac and Windows video cards and displays. The Mac Standard gamma is 1.8; the PC Standard is 2.2.
The range of colors an individual color device is capable of reproducing. Each device capable of reproducing color has a unique gamut determined by age, frequency of use, and other elements such as inks and paper. See also device characterization, device dependent, gamut mapping, ICC profile.
The process of identifying colors outside a device’s gamut and then calculating the nearest color within its gamut. Gamut mapping is used when receiving color information from another color space. See also color space, gamut.
A U.S. space-based navigation system that provides reliable positioning, navigation, and timing services for civilian users on a continuous, worldwide basis. Aperture uses image location information provided by GPS-enabled cameras to plot where each image was shot on a map in Places view. See also GPS track log, Places view.
A file consisting of digital bread crumbs that are used to define a path or route (“track”) using precise coordinates saved by a GPS device or GPS tracking iPhone application. If you have a GPS-enabled camera or iPhone or another GPS device that you use to create track files and save waypoints, you can import the track files into Aperture and work with them in Places view. See also Global Positioning System (GPS), Places view, waypoint.
Describes an image whose only colors are shades of gray. Usually grayscale images have smaller file sizes because less information is required to display a gray pixel, in which the red, green, and blue pixel elements all emit an equal intensity. See also Black & White adjustment, monochrome, pixel.
A Browser view that displays images as a grid of thumbnails. Grid view is the Browser’s default view. See also Browser, filmstrip view, list view.
A type of Quick Brush adjustment used to remove the blue and purple fringes that are occasionally produced with certain lenses when the image is overexposed. See also adjustment, Brush HUD, Quick Brushes.
Generally refers to video that is 720 progressive scan lines or better, also known as HD video.
An adjustment in Aperture used to selectively adjust the highlights and shadows in an image. See also adjustment, highlights, shadows.
An apparatus at the top of a camera designed to hold a portable flash. When the shutter release button is pressed, an electric signal is transmitted through a connection in the hot shoe to activate the portable flash. See also external flash, flash.
Short for heads-up display. In Aperture, HUDs are floating windows that allow you to work on your image. You can open and then move a HUD wherever you wish, based on your display setup. See also Full Screen view.
An attribute of color perception; also known as color phase. For example, red and blue are different hues. See also Color adjustment.
Created as a result of device characterization, the ICC profile contains the data about the device’s exact gamut. See also device characterization, gamut, International Color Consortium (ICC).
An artifact that reproduces the likeness of some subject, usually a physical object or person, also known as a picture. See also image selection, photograph, picture, subject.
Refers to an image or group of images selected in the Browser or the Full Screen view filmstrip. A white rectangle surrounding an image indicates it is selected. See also Browser, Full Screen view, image.
The process of bringing digital image files of various types into a project in Aperture. Imported files can be created in another application, downloaded from a camera or card reader, or brought in from another Aperture project. See also project.
A type of printer that creates images by spraying little ink droplets onto the paper. See also dye sublimation, photo printer, print, RA-4.
A floating window that contains the Library, Metadata, and Adjustments panes. See also Inspector pane.
An element of the Aperture main window that contains the Library, Metadata, and Adjustments inspectors. See also Inspector HUD.
A type of Quick Brush adjustment that corrects the shadow areas of the image that appear washed out by intensifying the contrast between pure black and 50 percent gray in the area of the image the adjustment is brushed on. The Intensify Contrast Quick Brush adjustment is equivalent to applying an Overlay blend. See also adjustment, Brush HUD, contrast, Polarize Quick Brush, Quick Brushes, shadows.
An organization established to create the color management standard known as the ICC profile. ICC profiles are universally accepted by hardware and software vendors because they’re based on an open standard. See also ICC profile.
Short for International Press Telecommunications Council. IPTC metadata is used by photographers and media organizations to embed keywords (words describing the characteristics of the image, including the photographer’s name) in the image files themselves. Large publishers typically use image management systems to quickly identify images based on the IPTC information embedded in the image. See also EXIF, metadata.
A defined set of metadata fields, primarily used by photographers and news media, built on Adobe’s XMP technology. See also IPTC, metadata, XMP sidecar file.
The relative sensitivity of film provided as a benchmark by the International Standards Organization (ISO). In digital cameras, the minimum ISO rating is defined by the sensitivity of the digital image sensor. When the ISO setting on the camera is increased, allowing the photographer to shoot in low-light situations, the camera amplifies the voltage received from the light-sensitive elements on the digital image sensor prior to converting the voltage signals to digital values. See also digital image sensor, digital noise.
Short for Joint Photographic Experts Group, JPEG is a popular image file format that lets you create highly compressed graphics files. The amount of compression used varies. Less compression results in a higher-quality image. JPEG files usually have the .jpg extension. See also format, RAW+JPEG image pair.
A unit of measurement used to describe color values of light sources, based on a temperature scale that begins at absolute zero. See also color temperature, White Balance adjustment.
Descriptive words about the subject in the image that are added to image versions and saved as metadata. See also control bar, Keywords HUD, metadata.
A floating window containing a library of keywords that can be applied to an image selection. See also keywords, metadata.
A visual three-dimensional representation of the CIE Lab color space. See also color space, ColorSync.
A series of sophisticated elements—usually glass—constructed to refract and focus the reflective light from a scene at a specific point: the digital image sensor in a camera. See also camera, digital image sensor, macro lens, prime lens, telephoto lens, wide-angle lens, zoom lens.
An adjustment in Aperture that provides controls to selectively adjust the tonal range of an image. See also adjustment, image.
In Aperture, a container file that holds projects, folders, albums, masters, and versions. You organize elements in the library, rename items, sort items, and so on using the Library inspector. By default, the Aperture Library file is located at /Users/username/Pictures/. See also album, folder, master, merging libraries, project, version.
A set of pop-up menus at the top-left corner of the screen in the Full Screen view Browser mode that are used to provide access to all the items in the Library inspector. See also Browser mode (Full Screen view), Full Screen view, library.
A floating window that displays the attributes lifted from an image. You can choose which attributes are stamped on an image selection by deselecting the attributes you don’t want to apply. See also HUD, image selection, Lift and Stamp tools.
A pair of tools used in conjunction with the Lift & Stamp HUD to copy (lift) attributes, such as metadata and adjustments, from one image and paste (stamp) them on an image selection. See also adjustment, image selection, Lift & Stamp HUD, metadata.
Visible energy in the electromagnetic spectrum with wavelengths ranging between 400 and 720 nanometers. See also electromagnetic radiation.
A device capable of measuring the intensity of reflective light. Light meters are used as an aid for selecting the correct exposure settings on the camera. Most cameras have internal light meters. See also center-weighted metering, evaluative metering, meter, spot metering.
An area in the Aperture main window that appears when you select a Light Table album. The Light Table provides a large open space where you can place a large selection of images for review and drag them to new positions, group them in different combinations, and resize them as needed. See also album, Navigator button.
A Browser view that displays images in a list by name, icon, and accompanying metadata, such as rating, image dimensions, file size, and date, rather than as a row or grid of thumbnails. See also Browser, filmstrip view, grid view, metadata, rating.
A lossless data-compression algorithm developed by Abraham Lempel, Jakob Ziv, and Terry Welch in 1984. LZW compression algorithms are typically used with JPEG and TIFF graphics files to reduce the file size for archiving and transmission at a ratio of 2.8:1. See also compression, JPEG, TIFF.
A type of lens used for extreme close-up photography. See also camera, lens, prime lens, telephoto lens, wide-angle lens, zoom lens.
For systems with multiple displays, the main Viewer is used for displaying the Aperture application. See also display, secondary Viewer.
Images whose masters are stored in the Aperture library. The locations of the individual masters are managed by the Aperture database. Managed image files are always online. See also library, master, offline, online, referenced images.
The source media file that was copied from either your computer’s file system or your camera’s memory card. In Aperture, the master is never modified. Whenever a change is made to an image, a video clip, or an audio clip, that change is applied to the version. See also memory card, project, version.
One million pixels. For example, 1,500,000 pixels equals 1.5 megapixels. See also digital image sensor, pixel.
The process of importing an Aperture library file and merging its contents into the library that is currently open in Aperture. See also library.
Data about data; metadata describes how data was collected and formatted. Databases use metadata to track specific forms of data. Aperture supports both EXIF and IPTC metadata. See also EXIF, IPTC.
The process of using a light meter to calculate the appropriate exposure. See also light meter.
The color values in an image between the highlights and shadows. See also contrast, highlights, Highlights & Shadows adjustment, Levels adjustment, shadows.
The process of showing the same image on two or more displays. See also extended desktop mode.
A secondary Viewer setting that sets Aperture to present the same image selection on the main and secondary Viewer displays. See also display, image selection, mirroring, main Viewer, secondary Viewer.
Refers to the type of visual pattern that is created by the interference of two grids overlaid on top of one another. Moire patterns can occur in images taken with digital cameras when the linear pattern in the image interferes with the linear pattern of the digital image sensor pixel array. The moire pattern often results from a weak anti-aliasing filter employed by the camera’s image processor. See also digital image sensor, RAW Fine Tuning adjustment.
An image presented in shades of a single color, such as the shades of gray in a black-and-white photograph. See also Black & White adjustment, Color Monochrome adjustment, grayscale, image, photograph.
A button in the Light Table used to reposition the view when the contents of the Light Table are larger than your screen. See also Light Table.
Developed film with a reverse-tone image of the subject or scene. See also dust and scratch removal, emulsion, film, positive.
A command in the Photos menu that creates a new version from a selected image, audio clip, or video clip’s master. See also image, master, version.
The process of removing digital noise in an image. See also adjustment, digital noise, image, Noise Reduction adjustment, Noise Reduction Quick Brush.
An adjustment in Aperture that reduces digital noise in an image. See also adjustment, digital noise, image, noise reduction.
A type of Quick Brush adjustment that removes digital noise in the area of the image the adjustment is brushed on. See also adjustment, Brush HUD, digital noise, noise reduction, Quick Brushes.
The process of consolidating a multiple-page document on a single sheet of paper. See also print.
A secondary Viewer setting that turns off the dual-display function. See also display, secondary Viewer.
Describes images whose masters are currently unavailable to Aperture. Offline images appear in the Viewer and Browser with badge overlays displaying a red slash through them. Images may be offline because the media containing the masters, such as a CD, DVD, FireWire drive, or server, is not connected to your computer or the original filenames have been modified in some way. To bring the images online, you must reconnect them to their corresponding masters. See also Browser, FireWire, master, online, preview images, Viewer.
A type of professional printer used for high-volume printing for items such as magazines and brochures. Offset printing presses deposit ink in lines of halftone dots to produce images on the page. See also photo printer.
The result of exposing a scene too long. Overexposed scenes appear too bright and lack adequate details in the shadows. See also exposure, underexposed.
a. Moving the camera along with a moving subject in order to keep the subject in the frame. Panning a fast-moving subject with a slow shutter speed usually causes the subject to remain relatively in focus, while the remaining areas of the scene are blurred or stretched in the direction of the camera movement. b. In Aperture, pressing the Space bar and dragging within an image to see other parts of the image when it is displayed at 100 percent size. See also camera, image, Viewer.
Usually refers to a scenic landscape image with a wide aspect ratio. Photographers often digitally combine, or “stitch,” multiple images of the same scene to create a continuous panoramic image. See also aspect ratio.
A type of render intent that compresses the total gamut from one device’s color space into the gamut of another device’s color space when one or more colors in the original image are out of the gamut of the destination color space. This preserves the visual relationship between colors by shrinking the entire color space and shifting all colors. However, colors that were in gamut also shift. See also gamut, relative colorimetric, rendering intent.
The process of choosing selects from a group of images, as well as sorting out images that you don’t plan to use or publish, also known as rejects. The more aggressively you cull undesirable images from your working group of images, the more time you save when you process the images for display. See also rating, Reject rating, Select rating.
An image created using a camera as a result of light interacting with a light-sensitive surface, usually film or a digital image sensor. See also camera, digital image sensor, film, picture.
A type of printer capable of producing photo-quality images. See also dye sublimation, gamut, inkjet printer, offset press, print, RA-4.
An iCloud service that uploads and stores the last 30 days of your photos and automatically pushes them to all your iOS devices and computers. Also a view in Aperture that displays all the photos that have been uploaded to Photo Stream from your iOS 5 devices and the Aperture library. See also Faces view, Flagged view, Photos view, Places view, Projects view.
An Aperture view that displays all the images, audio clips, and video clips in the library. See also Faces view, Flagged view, Photo Stream, Places view, Projects view.
The image that represents a stack. The pick is usually the best image in the stack. See also alternate, stack.
A visual representation rendered on a flat surface or screen, such as a photograph. See also image, photograph.
Located in the Home folder, the Pictures folder is the default location for Aperture and iPhoto libraries. See also library.
A set of pop-up menus located at the top-left corner of the screen in Places view that are used to navigate to locations on the map. See also Places view.
A view in Aperture that allows you to apply location information to an image selection and track the location of each shot using Google Maps. Images captured with GPS-enabled cameras provide their location information automatically. See also Faces view, Flagged view, Global Positioning System (GPS), Photos view, Places Path Navigator pop-up menus, Projects view, waypoint.
Short for Portable Network Graphics. PNG is a bitmapped graphics file format that has been approved by the World Wide Web Consortium to replace patented GIF files. PNG files are patent and royalty free. See also format.
A type of Quick Brush adjustment that deepens the colors in the image by specifically darkening the shadows and midtones while preserving the highlights in the area of the image the adjustment is brushed on. The Polarize Quick Brush adjustment is equivalent to applying a Multiply blend. See also adjustment, Brush HUD, contrast, highlights, Intensify Contrast Quick Brush, midtones, Quick Brushes, shadows.
A filter placed on the front of the camera lens that selectively transmits light traveling on one plane while absorbing light traveling on other planes. Polarizing filters are capable of reducing unwanted reflections on windows and shiny surfaces. Polarizing filters are also used to darken the sky. See also filters.
Developed film where the tonal relationship of the subject or scene is the same on film as when viewed by the eye; also known as a slide. See also dust and scratch removal, emulsion, negative.
A saved group of settings, such as export, naming, print, and web export settings. Presets determine properties such as file format, file compression, filename construction, paper size, and ColorSync profile. Presets are usually defined for particular workflows and can be tailored to client specifications. See also ColorSync.
An input device used in place of a mouse that consists of two parts: a flat surface for drawing (the interface that is connected to the computer) and a pen or stylus. The harder you press the stylus against the surface of the tablet, the thicker the line or brush stroke is. See also Brush HUD, Quick Brushes.
JPEG images generated by Aperture that represent the original master with any applied adjustments and associated metadata. Preview images are designed to be shared with other applications, such as iWork and iLife applications, and used in place of the masters when they are offline. See also adjustment, JPEG, metadata, offline.
The most important image in an image selection. Adjustments are applied only to the primary selection in an image selection. The primary selection is identified by a thicker white border. There can be only one primary selection in an image selection. See also adjustment, image selection, Primary setting.
A Viewer setting in Aperture that limits metadata changes to only the primary selection in a multiple-image selection. See also filmstrip, image selection, metadata, primary selection.
An image printed on paper; also known as a photograph. See also dye sublimation, inkjet printer, N-up printing, RA-4.
A compilation of data on a specific device’s color information, including its gamut, color space, and modes of operation. A profile represents a device’s color-reproduction capabilities and is essential to effective color management. See also device characterization, gamut.
An exposure mode on many automatic cameras in which the camera automatically sets the aperture and shutter values for a correct exposure. See also exposure.
In Aperture, the top-level container that holds all the masters, versions, and metadata associated with your shoot. In the case of referenced images, the masters are stored in their current location rather than in the project file. See also album, folder, library, master, referenced images, version.
A view mode in Full Screen view, similar to the Projects view in the Aperture main window. All projects are displayed, and each project is represented by one large thumbnail of an image within the project. You can position the pointer over a project thumbnail and drag to quickly skim the images in the project. See also Browser mode (Full Screen view), Full Screen view, Projects view, Viewer mode (Full Screen view).
A workspace view in Aperture, accessed by selecting the Projects item in the Library inspector, in which all projects are displayed. Each project is represented by one large thumbnail of an image within the project. You can position the pointer over a project thumbnail and drag to quickly skim the images in the project. See also Faces view, Flagged view, Photos view, Places view, Projects mode (Full Screen view), skimming.
The process of moving an image in a stack closer to the pick position. See also demote, image, pick, stack.
Short for Photoshop Document. PSD files are proprietary graphics files for Adobe Systems Incorporated. See also format.
The part of the eye that contracts and expands depending on the amount of light; also known as the iris.
The process of converting a value derived from an analog source to a discrete digital value. See also digitization.
Used to apply selective adjustments to an image by brushing the adjustment over a portion of the image. See also adjustment, brushed adjustment, brushed adjustment overlay, Brush HUD.
A cross-platform multimedia technology developed by Apple. Widely used for editing, compositing, web video, and more.
A type of professional printer capable of printing digital files on traditional photographic paper. RA-4 printers use a series of colored lights to expose the paper; the colors blend together to produce continuous-tone prints. See also dye sublimation, inkjet printer, photo printer, print.
Short for Redundant Array of Independent Disks. A method of providing photographers who have large image libraries many gigabytes of high-performance data storage by formatting a group of hard disks to act as a single drive volume. The performance of a group of hard disks striped together as a RAID can be much higher than that of the individual disks.
Short for random-access memory. A computer’s memory capacity, measured in megabytes (MB) or gigabytes (GB), which determines the amount of data the computer can process and temporarily store at any moment.
An apparatus found on many cameras that is used to help focus the image. See also camera, viewfinder.
A specialized printer driver that replaces the driver that comes with your printer. It takes input from applications and converts, or rasterizes, the information to data that the printer understands so that it can put dots on a page. Software RIPs typically offer features not found in standard printer drivers.
In Aperture, the process of adding a value to an image to indicate its quality in relation to other images in a selection. See also photo edit, Reject rating, Select rating.
The original bit-for-bit digital image file captured by the camera. See also RAW+JPEG image pair.
A set of adjustment parameters in Aperture used to control how Aperture decodes RAW image files. See also moire pattern.
An image captured by a professional digital camera and saved as both an individual RAW file and an individual JPEG file. You can set Aperture to import one file type or both file types in the pair. See also JPEG, RAW.
The relationship between the aperture and the shutter that allows for correct exposures as a result of multiple shutter speed and aperture setting combinations. An increase in aperture and a decrease in shutter speed creates the same exposure as the previous aperture and shutter combination, and vice versa. See also aperture, shutter.
An Exposure adjustment parameter in Aperture used to recover highlight detail. See also Exposure adjustment.
The phenomenon that gives people glowing red eyes in photographs. Red-eye is caused by the close proximity of the flash to the lens (especially built-in flash). See also external flash, Red Eye Correction adjustment.
An adjustment in Aperture that replaces red pixels with black, eliminating the red-eye effect. Used in conjunction with the Red Eye tool. See also adjustment, pixel, red-eye.
Images whose masters are stored outside of the Aperture library. See also library, managed images, offline, online.
In Aperture, a negative rating applied to an image as part of the photo editing process. See also photo edit, rating, Select rating.
A rendering intent suitable for printing photographic images. It compares the highlight values of the source color space to that of the destination color space and shifts out-of-gamut colors to the closest reproducible color in the destination color space. This render intent can cause two colors, which appear different in the source color space, to be the same in the target color space, also known as clipping. See also gamut, perceptual, rendering intent.
The method by which colors that are out of gamut for a selected output device are mapped to that device’s reproducible gamut. See also gamut, perceptual, relative colorimetric.
A type of Retouch brush in Aperture used to correct and obscure imperfections in an image by copying pixels from a similar-looking area of an image and pasting them over the area with the pixels you want to replace. In addition to overwriting the pixels, the Repair brush resamples the pasted pixels to match the color, texture, and luminance of the pixels you replaced. See also Clone brush, retouching, Retouch adjustment.
The amount of information a digital image is capable of conveying. Resolution is determined by the combination of file size (number of pixels), bit depth (pixel depth), and dots per inch (dpi). See also bit depth, dots per inch (dpi), pixel.
In Aperture, an adjustment used to correct or obscure imperfections in an image. Used in conjunction with the Retouch HUD, which provides a Clone brush and a Repair brush. See also adjustment, Clone brush, Repair brush.
The process of altering an image to add or remove details. See also Clone brush, compositing, effects, filters, Repair brush, Retouch adjustment.
Short for Red, Green, Blue. A color space commonly used on computers, in which each color is described by the strength of its red, green, and blue components. This color space directly translates to the red, green, and blue elements used in computer displays. The RGB color space has a very large gamut, meaning it can reproduce a wide range of colors. This range is typically larger than the range that printers can reproduce. See also additive color.
A type of receptor in the eye capable of perceiving luminance. Rods do not perceive color, but only levels of brightness. See also cones.
The intensity of color in an image. Saturated colors are perceived to have a “purer” look, resulting from the absence of the color gray. See also adjustment, desaturate.
An Enhance adjustment parameter in Aperture used to adjust saturation in an image. See also adjustment, desaturate, Enhance adjustment, saturation.
A type of Quick Brush adjustment that adds saturation to or removes it from the area of the image the adjustment is brushed on. See also adjustment, Brush HUD, Quick Brushes, saturation.
The secondary Viewer is used to present images on a second display, separate from the application workspace. The secondary Viewer has five settings: Mirror, Alternate, Span, Black, and Off. See also Alternate setting, Black setting, display, main Viewer, Mirror setting, Off setting, Span setting.
The process of isolating a subject by using an f-stop that produces a shallow depth of field. See also depth of field.
In Aperture, the highest rating that can be applied to an image as part of the photo editing process. A Select rating is applied when you intend to display or distribute the image. See also photo edit, rating, Reject rating.
Describes a photograph with a brown tint. See also photograph, Sepia Tone adjustment, Tint adjustment.
An adjustment in Aperture that changes a color image to sepia—allowing you to desaturate the color image to the level of sepia coloring you want. See also adjustment, desaturate, image, sepia, Tint adjustment.
An adjustment in Aperture used to sharpen images. See also adjustment, Edge Sharpen adjustment, image.
A type of Quick Brush adjustment that sharpens the area of the image the adjustment is brushed on. See also adjustment, Brush HUD, Quick Brushes.
A menu you access by holding down the Control key and clicking an area of the interface, or by pressing the right mouse button.
A complicated mechanism, usually consisting of a blade or a curtain, that precisely controls the duration of time light passing through the lens remains in contact with the digital image sensor. See also shutter speed.
A setting on certain cameras that automatically sets the aperture for a correct exposure based on the shutter speed set by the photographer. See also aperture priority, exposure.
The length of time the shutter is open or the digital image sensor is activated or charged. Shutter speeds appear as fractions of a second, such as 1/8 or 1/250. See also shutter.
A control in the Browser that allows you to quickly advance through images. See also Browser.
Light that hits the subject from the side, perpendicular to the angle of the camera. See also backlighting, frontlighting.
An image in which the subject is a solid dark shape against a bright background. Extreme backlighting, such as a sunset, can cause the silhouette effect when your subject is placed in the foreground. See also backlighting, foreground.
The act of quickly navigating through images of a person in Faces view or images within a project in Projects view by slowly dragging over the thumbnail representing the person in Faces view or the project in Projects view. See also Faces view, Projects view.
A type of Quick Brush adjustment used to smooth a person’s skin by subtly blurring wrinkles and skin pores in the area of the image the adjustment is brushed on. See also adjustment, Brush HUD, Quick Brushes.
In Aperture, an interface element that can be dragged forward or backward to make an adjustment. Sliders can be found in the Adjustments inspector as well as in the Adjustments pane of the Inspector HUD. See also adjustment, HUD, Inspector HUD.
An animated presentation of a series of images. In Aperture, slideshows can be combined with music to present a series of images across up to two displays.
Dynamic albums in Aperture used to organize images by gathering versions based on search criteria. See also album, Smart Settings HUD, version.
A floating window used to quickly locate images based on a combination of criteria, such as adjustments, keywords, ratings, and EXIF metadata, for the specific purpose of specifying image criteria for the contents of Smart Albums. See also EXIF, image, keywords, rating, Smart Album.
Used to arrange images in the Browser based on a variety of sort properties or custom sort criteria. See also Browser, image.
A secondary Viewer setting that splits the presentation of the current image selection between the main and secondary Viewer displays. See also image selection, main Viewer, secondary Viewer.
An instrument that measures the wavelength of color across an entire spectrum of colors. Because it can be used to profile both displays and printers, the spectrophotometer is preferred for device profiling.
A main window layout in Aperture that displays the Viewer and Browser at the same time. See also Browser, Browser layout, Viewer, Viewer layout.
An adjustment in Aperture used to retouch imperfections in an image, such as sensor dust. See also adjustment.
A type of metering that operates by metering within a small target that is usually in the center of the frame. See also center-weighted metering, evaluative metering, light meter.
A common working space designed to represent the average PC monitor. Because of its small gamut, it is suitable for web graphics but not for print production. See also working space.
In Aperture, a set of similar images, where only one image is intended for use. See also alternate, pick.
The process of changing the aperture, or f-stop, to a smaller opening. See also aperture, f-stop.
An adjustment in Aperture that levels the image’s horizon. Used in conjunction with the Straighten tool. See also adjustment.
The main object, person, scene, or incident chosen by the photographer to be represented in an image. See also candid shot, image.
Images with color elements derived from the light reflected off the surface of an object. CMYK is a common form of subtractive color. See also CMYK.
Short for Specifications for Web Offset Publications, a standard printing-press profile. Web here refers to a web press, not to the Internet.
In Aperture, elements that delineate projects, folders, or albums in the Browser when more than one is selected in the Library inspector. You click a tab to view the contents of a currently open project, folder, or album. See also album, folder, project.
A reference file used to profile a device such as a scanner or digital camera. It often contains patches whose color values have been measured. The output from a device is then compared with the target. See also device characterization.
Refers to the process of connecting a digital camera to your Mac via a FireWire or USB cable, shooting photographs, and having Aperture capture and store the image files at the moment they are shot. See also camera, FireWire.
Professionally designed layouts used for books, webpages, and slideshows in Aperture. See also slideshow.
Short for Tagged Image File Format. TIFF is a widely used bitmapped graphics file format, developed by Aldus and Microsoft, that handles monochrome, grayscale images. See also format, grayscale, monochrome.
An adjustment parameter in Aperture used to selectively remove color casts in the shadows, midtones, and highlights in an image. See also adjustment, color cast, exposure.
A type of Quick Brush adjustment that shifts the tint in the area of the image the adjustment is brushed on. See also adjustment, Brush HUD, Quick Brushes, tint.
A collection of buttons and controls, grouped by function, located at the top of the Aperture main window. See also Full Screen view toolbar.
A visual effect applied between images in a slideshow. In Aperture, you can choose the type and duration of the transition between images. See also slideshow.
Maps in an Aperture book that use location data from your photos or location data that you add manually using the Book Layout Editor to illustrate your journey. Travel maps can be generated in the Book Layout Editor by selecting a book theme that supports the travel map feature. See also Places view.
A stand with three legs used to keep a camera steady. The use of a tripod is especially necessary when shooting long exposures. See also camera shake, exposure.
A type of light with a low color temperature. Tungsten light sources usually include household lamps but should not be confused with fluorescent lights. See also color temperature, White Balance adjustment.
The result of not exposing a scene long enough. Underexposed scenes appear dark. See also exposure, overexposure.
Similar to a tripod; a stand with one leg used as an aid in keeping a camera steady. See also camera shake, exposure.
Short for Universal Serial Bus. A versatile interface used to connect external devices to computers. USB cables are often used to connect computers to computer peripherals, such as keyboards and digital cameras, as well as transfer large amounts of data. See also camera, FireWire, tethered shooting.
A designated storage space that contains an exact copy of the Aperture library (from the last time you backed up), usually saved on an external FireWire drive. See also FireWire, library.
The file containing all the metadata and adjustment information applied to an image, a video clip, or an audio clip. In Aperture, only versions are changed. Aperture never changes masters. See also master.
An Enhance adjustment parameter in Aperture used to add saturation in an image in a nonlinear manner. Saturated colors are left alone while saturation is added to all other colors. However, skin tones are not modified. See also adjustment, desaturate, Enhance adjustment, saturation.
A type of Quick Brush adjustment that adds saturation to or removes it from just the desaturated colors in the area of the image the adjustment is brushed on. Skin tones are not affected. See also adjustment, Brush HUD, Quick Brushes, saturation.
An instance of a segment of video in Aperture; a video file’s version. See also version, video file.
The source media file on disk to which a video clip in Aperture refers; the video clip’s master. See also master, video clip.
An area in Aperture that displays the images currently selected in the Browser. You can use the Viewer to perform adjustments on images as well as compare them with each other. See also Browser.
A main window layout in Aperture in which the Browser is hidden. See also Browser, Browser layout, Full Screen view, Split View layout, Viewer.
A view mode in Full Screen view, similar to the Viewer in the Aperture main window. When Full Screen view is set to Viewer mode, images are presented at high resolution over a solid-color background. Viewer mode is ideal for performing image adjustments. See also Browser mode (Full Screen view), Full Screen view, Projects mode (Full Screen view), Viewer.
The part of the camera designed to preview the area of the scene that will be captured by the digital image sensor. See also camera, digital image sensor.
An adjustment in Aperture designed to add a vignette effect to an image. See also Devignette adjustment, vignetting.
a. Darkening, also known as falloff, at the corners of the image as a result of too many filters attached to the lens, a large lens hood, or poor lens design. b. The process of applying a vignette to an image for artistic effect. See also Devignette adjustment, filters, lens, Vignette adjustment.
A visible graphic or text overlay applied to an image to indicate that the image is protected by a copyright. Watermarks are used to discourage the use of images without the copyright holder’s explicit permission.
A coordinate saved in a GPS track log representing a specific geographic location. In Aperture, waypoints can be assigned to images in Places view. See also GPS track log, Places view.
An adjustment in Aperture that changes the color temperature and tint of a digital image. The goal of adjusting an image’s white balance is to neutralize color casts in an image. For example, if the white in an image is too yellow because of incandescent lighting, white balancing adds enough blue to make the white appear neutral. See also color cast, color temperature, kelvin (K).
The color temperature of a display, measured in kelvins. The higher the white point, the bluer the white is; the lower the white point, the redder the white. The native white point for a Mac computer is D50 (5000 kelvins); for a Windows PC, it is D65 (6500 kelvins). See also color temperature, kelvin (K).
A lens with a short focal length that takes in a wide view. The focal length of a wide-angle lens is smaller than the film plane or digital image sensor. See also digital image sensor, lens.
The color space in which you edit a file. Working spaces are based either on color space profiles such as Apple RGB or on device profiles.
An extensible markup language designed by Adobe Systems Incorporated that is used for defining metadata sets for photo editing applications. Resources, such as adjustment parameters, can be saved in this file and passed on to other applications. See also adjustment, IPTC, IPTC Core, metadata.
A lens that has the mechanical capacity to change its focal length; also known as an optical zoom lens. See also lens.
A button in the Viewer and the Full Screen view toolbar that alternates the display of the image selection between fitting the images within the Viewer and presenting the images at 100 percent size. See also control bar, filmstrip, image, image selection, Viewer.