shutter

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shutter 

A device that provides a means (mechanical or electro-optical) for letting a beam of light pass during a given length of time.
References in periodicals archive ?
It's probably best not to just push the shutter release button, though.
Hunt, from Santa Rosa, California, United States, captured the birds from 15 feet away using a shutter release remote control.
Touch Shot, a first for a mobile phone, also reduces camera shake and eliminates the need to search for the shutter release button.
The Zigview S2 offers a motion detection shutter release, an intervalometer, and a bulb exposure controller.
The camera features a 1 second shot-to-shot time, three frames-per-second burst shooting, and a shutter release time of 7.
Armed with an air shutter release, Emmy contenders pose in self-portraits and display their gifts for appearing serious, bittersweet, offbeat and just plain hammy.
The time between when the shutter release button is pressed and the picture is actually taken has been dramatically reduced to just one-hundredth of a second.
The time between when the shutter release button is pressed and the picture is actually taken has also been cut way down, to just one-hundredth of a second.
He merges into the dance, heel to toe, an effect created by careful timing of the shutter release.
Use the hand that is not pressing the shutter release button to hold and support the camera.
Gripping the camera tightly, my poorly functioning fingers pressed hard on the shutter release to record the spectacular scene.
If yours is an auto-focus camera (most are these days), you can focus on the subject by pushing the shutter release button down halfway, and then, while holding the button down, you can turn the camera to the side to compose the picture.