Adapter to use 645 lenses on A7RII?

peterm1 · 05-01-2016, 06:20 AM

I have several 645 lenses I am currently using on my 645z. There appears to be a Fotodiox adapter than can enable using 645 lenses on the Sony A7RII -

FotodioX Pentax 645 Lens to Sony E-Mount Camera Pro P645-NEX-P

However, the one review stated that it would not actually fit on the A7RII.

I have a Metabones Smart Adapter IV that enables the use of Canon lenses on the A7RII, and I was wondering if I got a 645-Canon adapter, then attached that to my Metabones Canon-Sony adapter, how well that would work.

Here are some 645 to Canon adapters, even including one with a built in variable ND filter(!): 645 canon adapter | B&H Photo Video

Has anyone else adapted their 645 lenses to work on their Sony full frame camera?

Thanks,

Peter

Thomasbrowphoto · 05-01-2016, 05:38 PM

I have the fotodiox adaptor P 645 to Sony E. I used the A35mm and FA120mm on A7r (mk1) often. Well built and works well. Only thing that bothers me about adapting 645 lenses to small cameras is the adapter is so long to allow for correct distances between the rear element and the sensor. Other than that, the fotodiox works great.

peterm1 · 05-01-2016, 05:59 PM

Originally posted by Thomasbrowphoto

I have the fotodiox adaptor P 645 to Sony E. I used the A35mm and FA120mm on A7r (mk1) often. Well built and works well. Only thing that bothers me about adapting 645 lenses to small cameras is the adapter is so long to allow for correct distances between the rear element and the sensor. Other than that, the fotodiox works great.

Thanks! I will give it a shot - it's cheap enough and if it doesn't work on mine for some reason I'll return it. I am getting the 35mm DFA HD 645 lens tomorrow and would be curious to see how it does on the A7RII...

lenticular · 05-01-2016, 07:08 PM

I have used a P645 - Canon adapter together with a Metabones EF - E mount adapter (Mk III) on my A7R, with no issues.

osv · 05-02-2016, 09:10 AM

Originally posted by peterm1

I have a Metabones Smart Adapter IV that enables the use of Canon lenses on the A7RII, and I was wondering if I got a 645-Canon adapter, then attached that to my Metabones Canon-Sony adapter, how well that would work.

you can get cheap unpowered e-mount to canon lens adapters, rather than using an expensive metabones adapter there.

the real reason for putting 645 lenses on ff e-mount is for tilt-shift capability, in which case you'd want one of those t/s adapters that's made overseas, it's over $400.

05-01-2016, 06:20 AM	#1
peterm1 Junior Member Join Date: Apr 2016 Posts: 26	Adapter to use 645 lenses on A7RII? I have several 645 lenses I am currently using on my 645z. There appears to be a Fotodiox adapter than can enable using 645 lenses on the Sony A7RII - FotodioX Pentax 645 Lens to Sony E-Mount Camera Pro P645-NEX-P However, the one review stated that it would not actually fit on the A7RII. I have a Metabones Smart Adapter IV that enables the use of Canon lenses on the A7RII, and I was wondering if I got a 645-Canon adapter, then attached that to my Metabones Canon-Sony adapter, how well that would work. Here are some 645 to Canon adapters, even including one with a built in variable ND filter(!): 645 canon adapter \| B&H Photo Video Has anyone else adapted their 645 lenses to work on their Sony full frame camera? Thanks, Peter

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05-01-2016, 05:38 PM	#2
Thomasbrowphoto Veteran Member Join Date: May 2014 Location: NSW, Australia Posts: 335	I have the fotodiox adaptor P 645 to Sony E. I used the A35mm and FA120mm on A7r (mk1) often. Well built and works well. Only thing that bothers me about adapting 645 lenses to small cameras is the adapter is so long to allow for correct distances between the rear element and the sensor. Other than that, the fotodiox works great.

05-01-2016, 05:59 PM	#3
peterm1 Junior Member Join Date: Apr 2016 Posts: 26 Original Poster	Originally posted by Thomasbrowphoto I have the fotodiox adaptor P 645 to Sony E. I used the A35mm and FA120mm on A7r (mk1) often. Well built and works well. Only thing that bothers me about adapting 645 lenses to small cameras is the adapter is so long to allow for correct distances between the rear element and the sensor. Other than that, the fotodiox works great. Thanks! I will give it a shot - it's cheap enough and if it doesn't work on mine for some reason I'll return it. I am getting the 35mm DFA HD 645 lens tomorrow and would be curious to see how it does on the A7RII...

05-01-2016, 07:08 PM	#4
lenticular Senior Member Join Date: Jun 2013 Location: Canberra Photos: Gallery \| Albums Posts: 199	I have used a P645 - Canon adapter together with a Metabones EF - E mount adapter (Mk III) on my A7R, with no issues.

05-02-2016, 09:10 AM	#5
osv Veteran Member Join Date: Mar 2007 Location: So Cal Photos: Gallery Posts: 2,080	Originally posted by peterm1 I have a Metabones Smart Adapter IV that enables the use of Canon lenses on the A7RII, and I was wondering if I got a 645-Canon adapter, then attached that to my Metabones Canon-Sony adapter, how well that would work. you can get cheap unpowered e-mount to canon lens adapters, rather than using an expensive metabones adapter there. the real reason for putting 645 lenses on ff e-mount is for tilt-shift capability, in which case you'd want one of those t/s adapters that's made overseas, it's over $400.

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