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05-09-2013, 06:46 AM   #1
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Pentax lens Nikon

I'm wondering if anyone can answer this question ? Will pentax k mount lenses fir a Nikon D40 or D3100 ?

05-09-2013, 07:04 AM   #2
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No, not without additional glass between them if you want to retain infinity focus. The flange focal distance needs to be shorter for the camera than for the lens.
Here's a nice list: Flange focal distance - Wikipedia, the free encyclopedia
05-09-2013, 07:18 AM   #3
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Thank you for you quick answer !

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