Apple Aperture 3.5 - Manual (Page 501)

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additive color Images with color elements derived from the light source itself. RGB is a common
form of additive color. See also RGB.
adjustment Any change to the appearance of an image. See also brushed adjustment.
Adobe RGB (1998) A color profile commonly used for printing. See also color space.
album 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.
alternate The photo immediately next to the pick in a stack. Alternate photos are useful when
more than one photo in a stack merits the pick position. See also image, pick, stack.
Alternate setting A secondary Viewer setting that presents the currently selected photo on the
secondary Viewer display. See also display, image, main Viewer, primary selection, secondary Viewer.
ambient light The lighting characteristics that already exist in the scene (indoor or outdoor)
without any additional light supplied by the photographer.
analog-to-digital conversion 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.
angle of view The area of the scene displayed within the frame. Determined by the focal length
of the lens.
aperture An adjustable iris or diaphragm in the lens through which light passes. Measured in
f-stops. See also f-stop.
aperture priority 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.
archive The process of storing image data on a permanent medium, such as optical media (CD
or DVD).
aspect ratio 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.
audio attachment An audio file that has been attached to a photo, either in the camera that
captured the photo or within Aperture. Audio attachments are often audio notations recorded
by the photographer while shooting a photo.
audio clip An instance of a segment of audio in Aperture; an audio file’s version. See also audio
file, version.
Glossary
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