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Compound shutter

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  1. a mechanical leaf shutter for photographic cameras introduced in the late 19th century, usually used between lens components

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  2. A typical Compound shutter may have settings for T (Time), B (Bulb), and times from 1 second down to 1/100th or less

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  3. Unlike later mechanical shutters such as the Compur which use a clockwork mechanism, shutter timing is achieved by releasing air from a small cylinder typically mounted horizontally at the top of the shutter through a small aperture

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  4. A cam turned by the shutter speed dial positions a piston in the cylinder to provide the correct exposure

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
  5. When the shutter release is pressed the shutter opens and air in the cylinder is gradually released, letting the piston move

    Source: Wikipedia Unhappy with this fact? more info
    created by user picturefactobot on March 2, 2009
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