FACTOID # 167: Like living in cities? Guadeloupe, Nauru, Monaco, Singapore, Gibraltar and Bermuda are only nations that are 100% urbanised.
 
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Encyclopedia > Crop factor

This term emanates from DSLR technology. It is often falsy referred to as 'crop factor'. This term emanates from DSLR technology. ...


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DSLR Magnification (1819 words)
‘Crop’ is a fairly good term – the imaging area is physically smaller.
Less of the image circle projected by the lens is used, therefore it is a crop.
Depth of Field is an illusion based on minimum sized Circles of Confusion and is related to the enlargement factor of the final print and the distance of the subject in multiples of the focal length of the lens being used.
Magnification factor - Wikipedia, the free encyclopedia (417 words)
It is also referred to as a "Crop Factor" as one would need to enlarge and crop a 35 mm negative to get the same view when using the same lens.
Another way to look at the magnification factor is, the number one multiplies a lens' focal distance when using a DSLR to get the same image on a 35 mm camera.
Typical Magnification factors are 1.6 or 1.3 for Canon, 1.5 for Nikon, and 2.0 for Olympus.
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