KS B 5425-2013
Photographic lenses ? F-number marking

Standard No.

KS B 5425-2013

Release Date

2013

Published By

Korean Agency for Technology and Standards (KATS)

Status

Withdraw

Replace By

KS B 5425-2013(2018)

Latest

KS B 5425-2023

Replace

KS B 5425-1998

Scope

This standard specifies the aperture scale (hereinafter referred to as the aperture scale) displayed on a photographic lens and its tolerance.

KS B 5425-2013 history

• 2023 KS B 5425-2023 F-number marking of photographic lenses
• 0000 KS B 5425-2013(2018)
• 2013 KS B 5425-2013 Photographic lenses ? F-number marking
• 1998 KS B 5425-1998 Photographic lenses-F-number marking
• 0000 KS B 5425-1988