Photographic term American Standards Association (ASA) SWPPSpyderX Pro

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American Standards Association (ASA)SWPP Photographic Glossary

Friday 6th December 2019  




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American Standards Association (ASA)

A scale of measurement which is no longer used. Responsible for supplying the speed rating of photographic film Doubling the ASA number indicates twice the light sensitivity ASA was replaced with ISO in the 80s



 

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06/11/2019 11:35:55