Glossary
Adobe Camera Raw (ACR): Used to convert RAW files into files that Photoshop can open.
Ambient light: The available, or existing, light that naturally surrounds a scene.
Aperture: The size of the opening in the iris of a lens. Lens apertures are designated by f-numbers. The smaller the f-number, the bigger the opening, and the less depth-of-field.
Blending mode: Determines how two layers in Photoshop will combine.
Bracketing: Shooting many exposures at a range of settings. It often works better to bracket shutter speed rather than aperture.
Brush Tool: Used to paint on a layer or layer mask in Photoshop.
Channel: In Photoshop, a channel is a grayscale representation of color (or black) information. In RGB color there are three channels: ...
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