'An up-&-down type of this light-regulating device in a camera is called the guillotine'
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PHOTOGRAPHY: An up-&-down type of this light-regulating device in a camera is called the guillotine
An up-&-down type of this light-regulating device in a camera is called the guillotine
An up-&-down type of this light-regulating device in a camera is called the guillotine
PHOTOGRAPHY
Shutter
PHOTOGRAPHY