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Author Topic: mamiya 645 vs pentax 645  (Read 1906 times)
prh555
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« on: June 23, 2012, 10:34:06 PM »
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will be going to yellowstone and grand tetons in september. will buy a zork pano shift adapter for my 5d. which would be better lenses; the pentax 645 or mamiya 645? will buy 2 lenses, probably a 75mm and 150mm.

thanks for advice, phil
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Paul2660
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« Reply #1 on: June 24, 2012, 04:20:54 PM »
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Hands down Pentax if you are comparing the older Manual Focus Mamiya to the more modern Pentax FA series. 
I used the Pentax 645 35mm FA lens on a 1ds MKI, MKII and 5d MKII with the same adapter for years and loved it.  I found the older
Mamiya MF lenses that allow for the manual aperture adjustments were not as sharp when shifted.  You can easily get the full
18mm of shift with the zork and the Pentax 35mm FA.  I would also stay away from the older Pentax 67 glass, I tried many of them
and they are fine on center but terrible when shifted. 

Lenses I used with my Canon:

Pentax: 35mm FA *****
           45mm FA **** not as good as the 35mm but much smaller and lighter to carry around
           55mm MF **** older lens not the FA lens but very good.
         150mm MF **** very old lens, but uber sharp.  Only issue I had with it was color and contrast was not as good as with newer Pentax glass

Mamiya 35mm MF ***   Great center on, but when shifted just wouldn't hold up on sharpness left you 6mm short 12mm being it's max
           55mm MF****  Very good lens, not as good as it's newer AF version but still good to shift to around 16mm easily
           80mm MF ***** Great lens, only one I had that would shift all the way to 18mm but when I moved to Pentax, I sold all the Mamiya glass.

Enjoy the adapter, I hope you have the newer style that now comes with the L bracket built it.  Mine was much earlier and I had to modifiy mine to allow for an
L bracket.  Loved the Zork.  Good support from their U.S. rep at the time.

Paul
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Paul Caldwell
Little Rock, Arkansas U.S.
Photography > http://photosofarkansas.com
Blog> http://paulcaldwellphotography.com
prh555
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« Reply #2 on: June 29, 2012, 03:10:30 PM »
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i thank you for your response and knowlege. too many long days at work slowed my reply.

prh
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