ANSI PH3.301-1990
Photography - Cameras - Automatic Controls of Exposure

Standard No.

ANSI PH3.301-1990

Release Date

1990

Published By

American National Standards Institute （ANSI)

Latest

ANSI PH3.301-1990

Scope

Specifies the exposure at the focal plane of cameras for values of two exposure parameters (field illuminance and film speed) and describes methods of evaluating other photometric characteristics.

ANSI PH3.301-1990 history

• 1990 ANSI PH3.301-1990 Photography - Cameras - Automatic Controls of Exposure