Definitions of photography terms beginning with A

Aberations

Achromatic Lens

AD

Additive

Adobe RGB

AE Lock

AF Assist Lamp

AF-DC

AF-S

AF Servo

Aliasing

Ambient Light

Analogue to digital (A/D) converter

Angle of view

Anti-aliasing filter

Aperture

Aperture Priority (av)

APO

Apochromatic lens

APS-C

APS-H

Artefacts

AS / ASL / ASP

Aspect Ratio

Aspherical element

AT-X

AVCHD

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