BS 4995:1973

Recommendations for measurement of the veiling glare index of lenses and optical systems

BSI Group, 11/27/1973

Publisher: BS

File Format: PDF

$76.00$152.40

Description

Published:27/11/1973

Pages:14

File Size:1 file , 480 KB

Note:This product is unavailable in Ukraine, Russia, Belarus

Laboratory techniques for measuring VGI are described in general terms and recommendations are made regarding the performance of the main subunits of the equipment. Standard methods of specifying conditions of test and of expressing the results. Gives guidelines for the operation of VGI measuring equipment to facilitate the obtaining of accurate results.

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