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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The f/stop is a source of confusion for many people. This page explains it in gory detail. ... Despite being one of the exposure controls in photography, the f/stop remains a source of confusion and mystery to many photographers, even to some who use it all the time.
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www.uscoles.com/fstop.htm
www.uscoles.com/fstop.htm
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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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March 30th, 2007 by hangingpixels ... I found this pretty cool site explaining all you need to know about camera lens, f/stop, aperture in simple english….have a read. ... f/ stop explainations...
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www.hangingpixels.com.au/blog/2007/03/30/camera-lens-fs...
www.hangingpixels.com.au/blog/2007/03/30/camera-lens-fstop-explain/
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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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“The Showcase” is a publication featuring a photographer that has caught our eye here at The F STOP. I’ve asked Ivo Mayr to answer a few questions about his gravity-defying photography. PLEASE NOTE: Ivo Mayr is German and…surprise: English is not his first language.
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www.thefstopmag.com/
www.thefstopmag.com/
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This is important for two reasons. First, he felt that he needed to explain himself after committing a heinous crime and then taking his own life, and chose to accomplish this near-impossible task by not only including a written ... The F-Stop is a group blog, with missives from university students around the U.S.
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thef-stop.blogspot.com/
thef-stop.blogspot.com/
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The same factors that affect depth of field in film cameras apply to digital cameras too: aperture f-stop, focus distance, lens focal length, format (essentially the size of the 'light recording area' whether a piece of film or an electronic sensor), and of course, the final print size (traditionally, 8x10 inch).
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www.outsight.com/hyperfocal.html
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