MAMIYA 645 AF APO 300MM F4,5 IF on XF??

Discussions regarding Phase One 645 XF
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MAMIYA 645 AF APO 300MM F4,5 IF on XF??

Postby Benny Rytter » Fri Feb 24, 2017 8:34 pm

Having read several places that not all former 645 lenses acutally fits the XF I would like to hear if someone knows this.

Can anyone confirm if this lens will fit and work with the XF system.

And will the AF work?
Benny Rytter
 
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Re: MAMIYA 645 AF APO 300MM F4,5 IF on XF??

Postby FPL » Mon Feb 27, 2017 2:32 pm

Works even with AF. Problem is with older M645 lenses - those will not mount.
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Re: MAMIYA 645 AF APO 300MM F4,5 IF on XF??

Postby Benny Rytter » Tue Feb 28, 2017 11:17 am

Thanks FPL

Do any one have experience with the image quality on the XF -

I have read that the DF caused lots of mirror shake so it was almost impossible to have sharp images with that lens.

Any experiences with the lens + XF is welcome
Benny Rytter
 
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Location: Denmark

Re: MAMIYA 645 AF APO 300MM F4,5 IF on XF??

Postby Ulf » Tue Feb 28, 2017 2:28 pm

FPL wrote:Works even with AF. Problem is with older M645 lenses - those will not mount.


Hi

They will mount but slight modification is required. See here
https://www.phaseone.com/en/Search/Arti ... nguageid=1
Kind Regards
Ulf Liljegren
Phase One
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Re: MAMIYA 645 AF APO 300MM F4,5 IF on XF??

Postby FPL » Tue Feb 28, 2017 4:35 pm

Image quality is worse then you will expect from such lens. Superb is Mamiya A 300mm/f2.8 APO, but this lens will not mount without above mentioned modification and is MF only.

To have some sharpness, you need to close aperture at least to f8-f11.
I can with this lens on XF shoot handheld at 1/800s (about 50% usable shots) and from 1/1250s it's almost reliable.

On tripod Uniqball head with loosed internal ball (kind of gimbal) I can use 1/250s-1/300s.

Few test shots:
http://www.fpl.cz/fb/m645_300a.jpg
http://www.fpl.cz/fb/m645_300b.jpg
http://www.fpl.cz/fb/m645_300c.jpg
FPL
 
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Re: MAMIYA 645 AF APO 300MM F4,5 IF on XF??

Postby Benny Rytter » Mon Mar 13, 2017 10:44 am

Thank you all for the valuable input.

It seems like this is a no go :-)
Benny Rytter
 
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Location: Denmark

Re: MAMIYA 645 AF APO 300MM F4,5 IF on XF??

Postby NNN635952030389923401 » Sat Mar 25, 2017 4:36 pm

I just bought one and it works perfectly on my XF. Mine is the "AF APO 300mm 1:4.5". I has Mamiya 645 on lens front and it has 8 electronic pins on rear as well as focus screw. It also has a MF/AF clutch and a pull out lens hood and a removeable tripod mounting plate.
NNN635952030389923401
 
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