What is An F Stop?

Answer

An f stop is the focal length of a camera lens. The f stop is the device that regulates how much light can enter the camera lens. This, along with the shutter speed, is how photographic film is exposed. For more information see here: http://www.parag
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F
In optics, the f-number (sometimes called focal ratio, f-ratio, f-stop, or relative aperture) of an optical system is the ratio of the lens's focal length to the diameter of ... More »
Q&A Related to "What is An F Stop?"
1. Click the "Start" button and type "Cmd" in the "Run" or "Search" box. Press the "Enter" key. 2. Type "fsutil dirty query
http://www.ehow.com/how_6914754_stop-chkdsk-f.html
Your chosen f-stop number controls the width of the opening that creates a film or digital exposure. Photography is full of counterintuitive number relationships, and aperture is
http://www.ehow.com/info_8076176_stop-camera.html?...
1. Attach the lens to the camera and make certain that it is secured properly in the mount. 2. Hold the camera with the top of the body facing upwards. There will be a string of numbers
http://www.ehow.com/how_5061364_change-stop.html
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