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shutter |
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shutter(1) An opaque window that is moved in one direction to let light in and in another to close off the light. In fixed-lens cameras, one shutter often suffices for aperture and speed. In most single lens reflex (SLR) cameras, the camera has a built-in shutter that pops up to let light in and drops down after a certain amount of time, while each lens contains its own diaphragm shutter that acts like an iris to let light pass (aperture setting). See shutter speed, aperture and shutter lag. shutter 1. a hinged doorlike cover, often louvred and usually one of a pair, for closing off a window 2. put up the shutters to close business at the end of the day or permanently 3. Photog an opaque shield in a camera that, when tripped, admits light to expose the film or plate for a predetermined period, usually a fraction of a second. It is either built into the lens system or lies in the focal plane of the lens (focal-plane shutter) 4. Photog a rotating device in a film projector that permits an image to be projected onto the screen only when the film is momentarily stationary 5. Music one of the louvred covers over the mouths of organ pipes, operated by the swell pedal How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Forests have been razed (particularly in Queensland) to provide once-used shuttering for elegant poured concrete buildings. Electronically shuttering this camera has eliminated the need for costly flashing lamps. Standard & Poor's will continue to monitor the financial implications of the Houston shuttering, as well as management's ongoing efforts to amend the covenants in its bank credit agreement to more appropriately reflect its business operations going forward. |
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