نور غندور. نور سنج

Instructions for Kodak Neutral Test Card, 453-1-78-ABX Photography — Cameras — Automatic controls of exposure
Post Exposure: Advanced Techniques for the Photographic Printer General Purpose Photographic Exposure Meters Photoelectric Type — Guide to Product Specification

US Patent 2,214,283, filed 14 November 1938, and issued 10 September 1940.

نور الغندور
The Brightness Scale of Exterior Scenes and the Correct Computation of Photographic Exposure
نور الغندور
نازنین نور
Journal of the Optical Society of America

.

25
آیه نور
نور سنج
نور سنج