F-number - Wikipedia, the free encyclopedia
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In optics, the f-number (sometimes called focal ratio , f-ratio , or relative aperture ) of an optical system expresses the diameter of the entrance pupil in terms of the focal length of the l...
en.wikipedia.org/wiki/F-number
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Aperture - Wikipedia, the free encyclopedia
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In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture of an optical system is the opening that determines the cone angle of a bundle of rays tha...
en.wikipedia.org/wiki/Aperture
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All contents copyright © 2009 FStop Magazine and its contributors. All rights reserved. a publication of free milk press . updated december 2009. cover image: Ed Linn...
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www.fstopmagazine.com/
www.fstopmagazine.com/
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Adjusting the F-Stop ... F-Stop Basics ... The f-stop controls the amount of light that is allowed to pass through a camera lens. In the case of the Cyberware 3D Digitizers the f-stop controls the amount of light that will be cast upon the data collection CCD.
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www.cyberware.com/support/fStop.html
www.cyberware.com/support/fStop.html
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Too many camera store associates and photo instructors forget that once they didn't know the difference between an f-stop and a bus stop. The jargon can be intimidating to newcomers, but almost everybody has a pretty good understanding about a few plumbing basics - so I make comparisons:
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www.photoimagenews.com/plumbing.htm
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Summary: a systematic method to find the f-stop which as a function of the displacement of the standards between the far and near points, measured on the camera with a scale (the focus spread). Two optical effects are taken into account: defocus and diffraction.
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www.largeformatphotography.info/fstop.html
www.largeformatphotography.info/fstop.html
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Kurt Stallaert 11.01.09 ... Michael Levin 10.01.09 ... Stephen Wilkes 09.01.09...
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www.thefstopmag.com/
www.thefstopmag.com/
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So Long, It's Been Fun. – posted 09-10-200 ... about | comments (47) | email | browse | rss ... So Long, It's Been Fun.
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f-stopmarin.com/
f-stopmarin.com/
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