JB/T 8248.4-1999
Method for measuring the veiling glare index of photographic lenses (English Version)

Standard No.

JB/T 8248.4-1999

Language

Chinese, Available in English version

Release Date

1999

Published By

Professional Standard - Machinery

Latest

JB/T 8248.4-1999

Replace

JB/T 8248.4-1995

Scope

This standard specifies the measurement method for stray light coefficient of photographic lenses. This standard is applicable to the measurement of the stray light coefficient of lenses such as cameras, aerial cameras, movie cameras and television cameras. It is also applicable to the measurement of the stray light coefficient of cameras, aerial cameras and other products.

JB/T 8248.4-1999 history

• 1999 JB/T 8248.4-1999 Method for measuring the veiling glare index of photographic lenses
• 0000 JB/T 8248.4-1995