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05-21-2013, 04:36 PM   #1
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Maybe a crazy question

I have gotten a 645Nii ( I am happy and lucky) and I have just been looking at the 645 A and FA lenses. I came across mention of the 67 to 645 adaptor and so I figured I would start to look at reviews of the 67 lenses. Perhaps I am wrong, but it seems that the 67 line of lenses is across the board of really high quality. Would there be a downsize other than the physical size of the lens to going with some of the really excellent 67 lenses on the 645? And if not, do any of the members here have a recommendation of a 67 over a 645, or vice versa, for any specific given focal length. Thanks Norm

05-21-2013, 05:30 PM   #2
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Because film doesn't lead to as much pixel peeping as digital, I honk you'll be able to enjoy just about any lens on your Nii. Many of the shorter 67 aren't much bigger than 645 lenses.

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05-22-2013, 05:52 AM   #3
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The 67 lenses work great on the 645. A first choice would be the 105/2.4 because it is the smallest 67 lens, it is a focal length that is not available in either the A or FA lines, it is faster than anything in the 645 lines and it tends to be very cheap. Other lenses of interest might be the 90mm, once again because it is not available in the 645 lineup except as the current and very expensive macro lens. And the 135mm macro 67 would probably be cheaper than the 120mm macro in the 645 lineup although I don't remember the respective magnification ratios of these lenses. In general the first generation of the 67 lenses will be cheaper than the A series 645 lenses, but of course significantly bigger in most cases.
05-22-2013, 06:35 AM   #4
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Revdocjim, thanks for the specific recommendations. You have been a big help in answering alot of my questions. Thank you. Norm

05-22-2013, 03:05 PM   #5

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Being that the 6x7 line is older than the 645, the lenses had more time to evolve, with several iterations of the same focal length in some cases. Do not overlook the 55-100 zoom. It is a fairly recent design and can compete against any medium format lens. The used price has dropped too
05-23-2013, 01:54 AM   #6
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Go for the bigger image of 67 vs 645. Sure, the 67 lenses are no babies, but they are sparklers — especially the "newer" SMC Pentax varieties. All are very appealingly priced, even if they come with sometimes unappealing weights. Still, you've got to get your exercise...

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