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aspherical surface Last modified: Thursday, January 29, 2009
A lens surface with more than one radius of curvature (i.e., the surface does not form part of a sphere). The aspherical elements of a lens help compensate for many lens aberrations common in simpler lens designs. Aspherical elements are particularly important for wide-angle lenses, since they are prone to distortion. See "A Quick Guide to Digital Cameras" in the Quick Reference section of Webopedia. See also Megapixel.net for news, reviews and a active community for digital camera and photography enthusiasts.
Megapixel.net Megapixel.net provides news, reviews and a active community for digital camera and photography enthusiasts. Webopedia's Quick Reference: The Digital Camera Picture If you can't keep up with advances in digital camera, you're not alone. We help you make sense of megapixels, zero in on the zooms (digital, optical and total) and delve into everything from price points to paper to printers. WebVideoUniverse WebVideoUniverse takes you through the process of creating video for the Web, from shooting, to editing and encoding, to distributing and finally, to promoting your work. With tutorials, news and discussion, WebVideoUniverse helps you create professional videos for your Web site.	Related Categories Digital Cameras Digital Photography Related Terms 2-stage shutter release auto focus blooming digital camera digital imaging digital photography digital red-eye correction digital zoom exposure meter parallax