BS 4995:1973
Current
Date published:
Recommendations for measurement of the veiling glare index of lenses and optical systems
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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37.020 Optical equipment
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BS 4995:1973
Get this standard
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