TREA

setting of both diaphragm and distance

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  • CPC
  • G03B7/006
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GPHYSICS G03Photography G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES ACCESSORIES THEREFOR G03B7/00Control of exposure by setting shutters, diaphragms or filters, separately or conjointly

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G03B7/006setting of both diaphragm and distance
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