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FORUMS Sony Cameras, Lenses & Accessories Sony Cameras 
Thread started 24 Aug 2015 (Monday) 07:15
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Canon EF-S Lenses on a A7

 
danialsturge
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Aug 24, 2015 07:15 |  #1

I had a quick look and couldn't find an answer to this question, which is probably because it's a silly one. Anyway, I got an A7 today after trading in my Canon 60D and a few lenses. However, I still have my EOS M and some EF-S lenses which I use on it with an adapter. My question is can I use EF-S lenses on my A7? I believe there's a crop sensor mode available or if I used it on full frame it would result is some significant vignetting. Has anyone got an suggestions on cheap adapters? Thanks!


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navydoc
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Aug 24, 2015 07:20 |  #2

danialsturge wrote in post #17680824 (external link)
I had a quick look and couldn't find an answer to this question, which is probably because it's a silly one. Anyway, I got an A7 today after trading in my Canon 60D and a few lenses. However, I still have my EOS M and some EF-S lenses which I use on it with an adapter. My question is can I use EF-S lenses on my A7? I believe there's a crop sensor mode available or if I used it on full frame it would result is some significant vignetting. Has anyone got an suggestions on cheap adapters? Thanks!

I can't help with suggestions for a cheap adapter but yes, Canon EFs lenses work fine on the Sony A7 series cameras. By default the camera will auto detect whether a crop lens is mounted and switch modes. Crop on the A7 is 1.5 instead of 1.6 like they are on the Canon cameras. I've tested my EFs 17-55 on my A7r and it works just as well as any other Canon lens would on the Sony camera.


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danialsturge
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Aug 24, 2015 07:23 |  #3

navydoc wrote in post #17680831 (external link)
I can't help with suggestions for a cheap adapter but yes, Canon EFs lenses work fine on the Sony A7 series cameras. By default the camera will auto detect whether a crop lens is mounted and switch modes. Crop on the A7 is 1.5 instead of 1.6 like they are on the Canon cameras. I've tested my EFs 17-55 on my A7r and it works just as well as any other Canon lens would on the Sony camera.

Thanks, thats really good to know! Do you know off the top of your head the effective megapixels in crop mode? Also, what adapter to you use?


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navydoc
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Aug 24, 2015 07:54 |  #4

danialsturge wrote in post #17680833 (external link)
Thanks, thats really good to know! Do you know off the top of your head the effective megapixels in crop mode? Also, what adapter to you use?

I'll take a couple of shots using my 17-55 on the a7rII for you and let you know what the resolution is. The adapter I use is the more expensive Metabones IV smart adapter to maintain autofocus on many of my Canon lenses. I'm sure others will chime in on which they would recommend that are less expensive than the MB.


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navydoc
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Aug 24, 2015 08:32 |  #5

Resolution of the EFs 17-55 mounted on a Sony A7rII:

From a full frame of: 7952 x 5304 or about 42 megapixels to a crop frame of: 5168 x 3448 or about 18 megapixels.

I stepped outside and took a quick example shot before the sun even came up. :-)


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danialsturge
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Aug 24, 2015 09:06 |  #6

navydoc wrote in post #17680902 (external link)
Resolution of the EFs 17-55 mounted on a Sony A7rII:

From a full frame of: 7952 x 5304 or about 42 megapixels to a crop frame of: 5168 x 3448 or about 18 megapixels.

I stepped outside and took a quick example shot before the sun even came up. :-)

thumbnail
Hosted photo: posted by navydoc in
./showthread.php?p=176​80902&i=i133683222
forum: Sony Cameras

Thank you for making the effort, very kind of you! That's great, I'm guessing mine will result in around 11 megapixels, which is still very useable. Hopefully someone has some suggestions for adapters, I'm not after autofocus, just the ability to control aperture etc.


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danialsturge
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Aug 26, 2015 06:14 |  #7

I just ordered the Commlite adapter as it's 1/8th of the price of the Metabones here in the UK and seems to be of similar quality in terms of AF etc. Should arrive in a week or so!


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Wide ­ Boy
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Aug 26, 2015 07:12 |  #8

I have the commlite adapter and I can't find a fault with it, and surprisingly auto focus with my 50mm 1.8 is actually slightly more reliable then with the lens on my canon 550d.
I prefer manual focus and with the focus peaking on the Sony it is a joy to use!


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danialsturge
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Aug 26, 2015 08:47 |  #9

Wide Boy wrote in post #17683471 (external link)
I have the commlite adapter and I can't find a fault with it, and surprisingly auto focus with my 50mm 1.8 is actually slightly more reliable then with the lens on my canon 550d.
I prefer manual focus and with the focus peaking on the Sony it is a joy to use!

That's excellent to know! Have only just switched from Canon to Sony (literally on Monday) and I won't be able afford native lenses for a while yet, it's nice to be able to use my Canon, albeit EF-S, lenses - especially with focus peaking which like you I love!


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Kaval
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Aug 26, 2015 10:12 as a reply to  @ danialsturge's post |  #10

Other than Metabones, which adapters one should explore which are cheaper and would auto focus (40mm 2.8 STM, 50mm 1.8 STM)?

If possible, kindly provide a link.




  
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titi_67207
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Aug 26, 2015 10:25 |  #11

Kaval wrote in post #17683649 (external link)
Other than Metabones, which adapters one should explore which are cheaper and would auto focus (40mm 2.8 STM, 50mm 1.8 STM)?

If possible, kindly provide a link.

Viltrox II adapter seems to be well appreciated. I've just ordered one recently so I can't speak yet of my experience with it.

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danialsturge
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Aug 26, 2015 11:40 |  #12

Kaval wrote in post #17683649 (external link)
Other than Metabones, which adapters one should explore which are cheaper and would auto focus (40mm 2.8 STM, 50mm 1.8 STM)?

If possible, kindly provide a link.

Well, as stated above, the Commlite adapter works well and from what I've read in reviews is pretty much the same as the metabones adapter in terms of performance.


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Canon EF-S Lenses on a A7
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