Etablierte Theorie Koch über lens shutter mechanism Kabel Kann standhalten Zone
What does the Shutter do? Controls the amount of time light is allowed to strike the film (compare to Aperture- which controls the amount of light allowed. - ppt download
Dismantled lens aperture mechanism | Camera aperture, Lens aperture, Aperture
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Leaf shutter - Camera-wiki.org - The free camera encyclopedia