definitions

curtain shutter

noun Photography.

a focal-plane shutter consisting of a curtain on two rollers, moved at a constant speed past the lens opening so as to expose the film to one of several slots in the curtain, the width of which determines the length of exposure.

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Nearby words

curtain, curtain call, curtain lecture, curtain line, curtain raiser, curtain shutter, curtain speech, curtain time, curtain wall, curtain-raiser, curtain-twitcher
Also called roller-blind shutter.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019