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05/14/2010 11:08:33 AM · #1 |
| If I put a Nikon 17-35mm lens (non-DX) on a D90, which has 1.4 crop factor, does that become 24-50mm? |
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05/14/2010 11:12:07 AM · #2 |
That's right, 35mm or Full Frame equivalent is roughly 23.8-49mm. DX or not makes no difference in the conversion.
R.
Message edited by author 2010-05-14 15:13:19.
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05/14/2010 11:21:43 AM · #3 |
D90 sensor is the Sony APS-C size, which is 1.5 crop, not 1.4. (And really-actually, it's something like 1.525...something -- so it's slightly greater than 1.5).
Not to beat the dead horse, but strictly speaking, it's still a 17-35 lens, but your effective field of view is that of an approx 26-53 theoretical lens on a full-frame body. For all other purposes, it's still a 17-35. Of course, most people don't care of consider all other purposes of a lens aside from field of view, so it's a somewhat academic point. ;)
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05/14/2010 11:22:45 AM · #4 |
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