Adjusting size of aperture formed by members when fully open so as to constitute a virtual diaphragm that is adjustable

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CPC
G03B9/24

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Parent Industries

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 G03B9/00Exposure-making shutters Diaphragms

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G03B9/24Adjusting size of aperture formed by members when fully open so as to constitute a virtual diaphragm that is adjustable

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