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equivalent focal length

   Also found in: Acronyms 0.07 sec.
The distance measured along the optical axis of the lens from the rear nodal point to the plane of best average definition over the entire field used in a camera. See also focal length.
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8 IS USM lens has a 35mm equivalent focal length of 27-88mm and is compatible only with the EOS 30D, EOS 20D, EOS Digital Rebel XT and EOS Digital Rebel SLRs.
Canon's New EOS 30D Digital SLR and Two New Lenses Deliver Top-Tier ... by Business Wire
the equivalent focal length lenses for traditional 35 mm
Kodak CCD Image Sensor Powers First Olympus Digital-SLR Camera for ... by Business Wire
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