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The focal length of a lens determines its angle of view, and also how much the subject will be magnified for a given photographic position. ... Focal length also determines the perspective of an image. ... The Focal Length means how much can your camera see. ;
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www.photoaxe.com/understanding-the-lens-focal-length-an...
www.photoaxe.com/understanding-the-lens-focal-length-and-aperture/
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This tutorial aims to improve understanding by providing an introductory overview of concepts relating to image quality, focal length, perspective, prime vs. zoom lenses and aperture or f-number...
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www.cambridgeincolour.com/tutorials/camera-lenses.htm
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The focal length of a lens can be defined as the distance from a point within the lens to the film plane when the lens is focused on infinity. Focal lengths are normally stated in the metric system in millimeters.
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library.thinkquest.org/25780/guide/focal_length.shtml
library.thinkquest.org/25780/guide/focal_length.shtml
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Focal length - Wikipedia, the free encyclopedia
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The focal length of an optical system is a measure of how strongly it converges (focuses) or diverges (defocuses) light. For an optical system in air, it is the distance over which initially collima...
en.wikipedia.org/wiki/Focal_length
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To put it simply, focal length is similar to a magnification factor. The longer the focal length (the larger the number in millimeters), the closer it will appear that you are to your subjects, and the narrower the view will be. ... Previous Entry: Understanding Exposure...
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hillos.info/2009/02/28/understanding-focal-length/
hillos.info/2009/02/28/understanding-focal-length/
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When parallel rays of light strike a lens focused at infinity, they converge to a point called the focal point. The focal length of the lens is then defined as the distance from the middle of the lens to its focal point. ... Go to Understanding Focal Length...
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www.photoshoproadmap.com/links/go/1617
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Click here to see Funny Pictures ... Enter a topic or web address, discover the surprises. ... All Bookmarks Log In Register Submit Your Site;
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www.megite.com/u/tutorial/%3Awww_photoaxe_com/understan...
www.megite.com/u/tutorial/%3Awww_photoaxe_com/understanding-the-lens-focal-length-and-aperture/
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Do you know about CCD cameras? Take a look at the process of taking a photo from start to finish with a digital CCD camera. ... Please copy/paste the following text to properly cite this HowStuffWorks article:; ... It takes several steps for a digital camera to take a picture. Here's a review of what happens in a CCD camera,
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www.howstuffworks.com/digital-camera8.htm
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Most photographers accept the common belief that short focal length lenses have greater depth of field than do long lenses. A wide angle lens, in other words, will give greater depth ... I'm reprinting it here because I believe that it provides the perfect situation where an understanding of this phenomena can be useful.
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www.luminous-landscape.com/tutorials/dof2.shtml
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