ANSI PH3.620-1990
Photography (Optics) - Camera Viewfinders - Performance Specifications, Test Procedures, Definitions and Terms

Standard No.

ANSI PH3.620-1990

Release Date

1990

Published By

American National Standards Institute （ANSI)

Latest

ANSI PH3.620-1990

Scope

This standard describes viewfinders of photographic cameras for composing the scene to be recorded, as well as methods for testing their performance. Focusing or ranging capabilities that may be incorporated in viewfinders are addressed in American National Standard for Photography (Optics) - Rangefinders and Other Focusing Aids - Performance Specifications, ANSI PH3.619-1988.

ANSI PH3.620-1990 history

• 1990 ANSI PH3.620-1990 Photography (Optics) - Camera Viewfinders - Performance Specifications, Test Procedures, Definitions and Terms