ISO 7565:1993 Preview
Micrographics -- Readers for transparent microforms -- Measurement of characteristics
This standard was last reviewed and confirmed in 2016. Therefore this version remains current.
Specifies methods and instruments for measuring the characteristics for readers specified in ISO 6198. Applies to magnification, resolution, distortion, screen luminance, screen contrast and film gate temperatures. Annex A deals with the importance of the luminance measurement, Annex B gives a field method using a luxmeter.
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