JIS B 7095:1997
Photographic lenses -- Methods for the measurement of the effective aperture, F-number and relative aperture

Standard No.

JIS B 7095:1997

Release Date

1997

Published By

Japanese Industrial Standards Committee (JISC)

Latest

JIS B 7095:1997

Replace

JIS B 7095:1978

Scope

This standard specifies methods for measuring the effective aperture, F number, and aperture ratio of photographic lenses.

JIS B 7095:1997 history

• 1997 JIS B 7095:1997 Photographic lenses -- Methods for the measurement of the effective aperture, F-number and relative aperture
• 0000 JIS B 7095:1978