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Old Jun 4, 2009, 4:34 PM   #15
Mark1616
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Another think that people can easily get confused by if they are told that a 150mm lens on a FF camera is the same as a 100mm on a APS-C camera is what happens with the depth of field.

A shot the same distance away (let's assume 25') using the above example of lens/body if taken at the same aperture (let's assume f2.8) will have quite noticeably different results with the out of focus areas. So field of view is the same in the combination but other elements vary.
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