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Glossary: APERTURE

The diameter of hole behind a lens through which light is allowed to pass. Measured in f-stops, the smaller the value, the more light can get through the lens. The pay off is in reduced depth of field.

Aberration
AC-3
Active Matrix
Active Video
ADC
Addressable Resolution
Aliasing
ALIS
Ambient Light
Anamorphic
ANSI
ANSI Lumens
Apochromatic
Aspect Ratio
Audio In and Out
Authoring Systems
AVI

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