JIS B 7090:1999
Optics and optical instruments -- Reference wavelengths

Standard No.

JIS B 7090:1999

Release Date

1999

Published By

Japanese Industrial Standards Committee (JISC)

Latest

JIS B 7090:1999

Scope

This standard specifies two reference wavelengths used to describe the properties of optical materials, optical systems and instruments, and ophthalmic lenses. Additionally, we define the principal variance and Abbe number.

JIS B 7090:1999 history

• 1999 JIS B 7090:1999 Optics and optical instruments -- Reference wavelengths