On 12/20/2010 7:30 AM, P. J. Alling wrote:
I'd guess that it should have similar DoF to a 50/2
DOF at f.95 what DOF?
Right, at f.95. Obviously, my definition is imprecise and I used the
word "similar" to express that. DOF at any given aperture does not
depend on the size of the sensor to which lens is projecting the image.
But as a very rough ballpark estimate one might say that both focal
length and aperture are to be multiplied by the corresponding crop
factor to get a basic sense of "full frame equivalence".
Boris
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