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Testing filters for radiation : Three vintage Skylight filters (Asahi, Kenko, Hoya).
Автор: Focal Reduced
Загружено: 2024-09-10
Просмотров: 277
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Testing filters for radiation : Three vintage Skylight filters from Asahi Pentax, Kenko, and Hoya.
Geiger counter : S.E. Inspector.
After background radiation is normalized, the lens is placed 1cm below the detector's geiger muller tube. The lens is then reversed to see which side emits more radiation.
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