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.

Nearby words

  1. curtain,
  2. curtain call,
  3. curtain lecture,
  4. curtain line,
  5. curtain raiser,
  6. curtain speech,
  7. curtain time,
  8. curtain wall,
  9. curtain-raiser,
  10. curtain-twitcher Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019