So, what is meant by the crop factor is the capacity of the effectiveness of the lens focal length of the image sensor. Suppose there are lens EF 24-70 mm zoom lens has a capacity of 24 mm (wide) to 70 mm (normal to telephoto). Now, if the lens was fitted to the body of a full frame (crop factor = 1) then serves as a lens benar2 lens 24-70 mm, but when fitted to the body with a crop factor 1.6, the lens functions as a lens 38.4 (24x1.6) - 112 (70x1.6) mm, so the effect is lost wide.
Well, if you already know about the crop factor, next select the lens is wide criteria. Wide Range if the full frame of 14mm can (expensive of course), or of rata2 course of 17 mm (a bit expensive too). Now if we are using a camera that corp factor 1.6, the Palin / out from 10mm wide (a bit expensive too).
This is an example photo of a full frame camera (crop factor 1) and the box is a picture inside the camera crop factor of 1.6. Its a different look.
Source : www.kaskus.us
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