24-105 vs 17-70 dof ff vs apsc

Started Jul 18, 2013 | Questions thread
OP Aidan Gibson Regular Member • Posts: 110
Re: 24-105 vs 17-70 dof ff vs apsc

trekkeruss wrote:

I'm confused by the question. Are you asking if the two lenses will have the same depth of field on an APS-C sensor? They will if you are using the same focal length and aperture. But the 17-70mm stops at 70mm...it doesn't cover the 70-105mm range. You might be confused about mounting a full frame lens on a crop frame camera; the full frame lens will be longer as well...the 24-105mm mounted on a crop frame camera would effectively be a 36-157.5mm lens.

I looked at some pictures of the Canon 5d 2 and the 24-105 and was thinking what the best equivalent would be on  Pentax apsc. wanted to know how they will compare with dof.


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Olympus E-M5 II Olympus M.Zuiko Digital 45mm F1.8 Olympus M.Zuiko Digital 17mm 1:1.8 Rokinon 8mm F3.5 Aspherical Fisheye Olympus 12-40mm F2.8 +1 more
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