GB/T 17558-1998 in English
VALIDCamera flash illuminants--Determination of spectral distribution index ( ISO/SDI )
- Issued on:1998-01-01
- Implemented on:1999-06-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$146.00
《GB/T 17558-1998照相闪光照明光源光谱分布指数(ISO/SDI)的测定》由TC107(全国照相机械标准化技术委员会)归口,主管部门为中国机械工业联合会。
本标准规定了一次性闪光灯或电子闪光灯光谱分布指数(SDI)的计算方法,以日光型彩色胶片在标准昼光下曝光时获得的彩色摄影效果为基准来评价它们产生摄影效果的性能。
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.

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