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03-11-2012, 12:39 PM   #1
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Lens adapter to use non Pentax lenses on 6x7

Hello fellow pentaxians. I was wondering if anyone knows of any adapters to run non-Pentax lenses on a 6 x 7 , 67, or 67 I hide. With the price that 67 lenses have been fetching lately I would think that someone, somewhere has heard of one.

Thanks in advance.

03-11-2012, 01:46 PM   #2
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Pentax 67 has a fairly deep flange focal distance, so you'd be limited to adapting lenses that have a longer distance:

Leitz Visoflex I
Bronica S2A
Rolleiflex SL66
Mamiya RZ67
Mamiya RB67

Not sure if any of those lenses have 67 adapters but it seems unlikely.
03-11-2012, 01:53 PM   #3
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Previous thread on the same topic:

https://www.pentaxforums.com/forums/pentax-medium-format-645-6x7-645d/135810-...ntax-67-a.html
03-11-2012, 04:14 PM   #4
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True. Thanks for the link. Sorry about that. Couldn't find anything on here via search. Only how to adapt 67's to 645's and other brands.

03-11-2012, 04:56 PM   #5
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Note that the Mamiya 67 lenses have no focusing capability built in - the Mamiya bodies do that with a bellows. So any adaptor would need a helicoid built in (this does exist - see an earlier thread)
03-11-2012, 05:19 PM   #6
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I just found this site history Pentax 67 and acc.
It references an adapter that will allow the use of Leica M39 mounts on the 67. Assuming the focal length could be fine tuned with an extension tube/tubes
03-11-2012, 09:16 PM   #7
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If you are having a hard time finding adapters for the Pentax 6x7 to fit other lens brands, maybe that should tell you how viable it is.
03-11-2012, 10:11 PM   #8
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Just to clarify my earlier message, I meant that the Mamiya RB and RZs use bellows focusing. There is of course the quite different Mamiya 7 (and variants) system - but that is altogether different and not, I think, convertible for use with the P67 (for different reasons)

03-12-2012, 06:30 AM   #9
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I have always wondered if mounting other systems lenses on a P67 was possible, but then I always asked myself: why?
The P67 lenses system is very good and the only real need I'd have would be having a tilt&shift at an affordable price. Since the 45 has sufficient DOF if stopped down, a 75 or 100 mm T&S would be really handy.
So far all the solution I have seen are so cumbersome that you I'd rather go for a large format 4x5 instead...
I have seen a very nice hartblei 55/4.5 Tilt & Shift around but unfortunately it seems impossible to find or have it made , I asked.....
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