The short answer is the crop factor applies to both FX & DX lens. When I shot film I had a 24mm lens for landscapes. Now that I shoot digital and use a DX camera, I bought a 16-85VR lens so the 16mm will give me the field of view that I got on the 24mm film camera.
Jerry JaynesGreat Smoky Mountainsof North Carolinahttp://www.flickr.com/photos/by_jerry_jaynes/
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