Operation Manual

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.
adjustment preset 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.
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 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.
Alternate setting 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.
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.
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Glossary
Glossary