GB/T 17558-1998
Camera flash illuminants--Determination of spectral distribution index (ISO/SDI) (English Version)

Standard No.

GB/T 17558-1998

Language

Chinese, Available in English version

Release Date

1998

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 17558-1998

Scope

This standard specifies the calculation method for the spectral distribution index (SDI) of disposable flash lamps or electronic flash lamps, and uses the color photographic effects obtained when daylight-type color films are exposed under standard daylight as a benchmark to evaluate their performance in producing photographic effects.

GB/T 17558-1998 history

• 1998 GB/T 17558-1998 Camera flash illuminants--Determination of spectral distribution index (ISO/SDI)