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<blockquote data-quote="BackdoorArts" data-source="post: 229358" data-attributes="member: 9240"><p>As Marcel stated, all lenses, whether DX or Full Frame, have focal lengths listed based on the 35mm standard. When they are placed on camera body the effective focal length is determined by multiplying by the sensor crop factor, which as you stated is 1.5 on Nikon DX bodies, as well as on Sony and Pentax. Canon uses a 1.6 crop factor, and Olympus sensors have a 2.0 crop.</p></blockquote><p></p>
[QUOTE="BackdoorArts, post: 229358, member: 9240"] As Marcel stated, all lenses, whether DX or Full Frame, have focal lengths listed based on the 35mm standard. When they are placed on camera body the effective focal length is determined by multiplying by the sensor crop factor, which as you stated is 1.5 on Nikon DX bodies, as well as on Sony and Pentax. Canon uses a 1.6 crop factor, and Olympus sensors have a 2.0 crop. [/QUOTE]
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