JIS B7095-1997 Photographic lenses-Methods for the measurement of the effective aperture, F-number a

JIS B7095-1997 Photographic lenses-Methods for the measurement of the effective aperture, F-number a 下载

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... 上一篇：JIS B7097-1986 Determination of ISO Colour Contribution Index (ISO／CCI) of Camera Lense 下一篇：JIS B7094-1997 Photographic lenses-Measurement of the focal length