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Thread started 20 Jan 2018 (Saturday) 09:11
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New Sony A7RII & my Canon lenses : questions about the MC-11 & Metabones adaptor

1,488 posts
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Joined Oct 2010
Location: Belgium
Jan 20, 2018 09:11 |  #1

I will make the switch to Sony soon and I still have following lenses :
-Canon 24-70 2.8L MKI, 70-200 2.8L MKII
-Sigma 50 Art & Sigma 85 Art

4 questions :

1-Which adaptor would be the best, the Sigma MC-11 or Metabones ?
I read the Metabones is more expensive and for mixed brands (but camera can freeze/reset)
And the MC-11 (despite that it's from Sigma) would be better for Canon lenses and not the Sigma lenses themselves strange enough ?

2-Is the MC-11 the same adaptor with usb updates? (there was no precious MC-9 or next MC-12?)
The metabones seems version IV & V, so for this you need to sell/rebuy new ones, next to the software updates ?

3-I read somewhere that lenses older than 2006 would not work, the 24-70 2.8L is my only one, but I think I read it does work?

4-On which lenses will the face / eye recognition work with the adaptors?

Pity that the G Master lenses are unaffordable in comparison with Canon, and not much cheaper second hand on the market either.
This obliges most photographers to stay with their Canon L lenses.

Sony A7 III | Metabones V | Canon 16-35 F4 L | Sigma 85 1.4 Art | 70-200 2.8L II
Lighting : Godox AD600B TTL + Godox V860II-S + X1T-S
Modifiers: 60cm Collapsible Silver Beautydish + grid | Godox 120cm Octagon softbox + grid + Speedlite Flash bender
Tripod: Vanguard Alta 253CT carbon

"my bits and pieces are all hard"
15,540 posts
Gallery: 42 photos
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Joined Jan 2007
Location: Detroit, MI
Jan 21, 2018 20:05 |  #2

I'm in the same boat and I've really been looking at this pretty hard. From what I have been seeing, most people make the following assessments:

1) The MC-11 seems to be better built and 'tighter' than the Metabones. The MB-V addresses a lot of the complaints (internal reflections, sealing) but no word if the build is better. In particular some folks with Metabones think they get a de-centering effect due to slop.

2) With Canon lenses, they work about the same.

3) With Sigma ART, Sport, and Contemporary they both work well, but some people say they like the Metabones better. They say the Sigma combination seems to report itself accurately and so Sigma limits the range over which things like eye-AF will work. On the other hand, people often say the Metabones is nice because the LED tells you the mode, but then they often say the advanced mode is useless.

The only Sigma lens I have is the 120-300/2.8 OS sport, and I'm not sure a wide eye-AF zone is important to me. I'm leaning towards getting the MC-11 as it is cheaper and reportedly better built.

Final thought - both adapters tend to be one firmware update away from working differently.

My personal stuff:​photos/jngirbach/sets/ (external link)
I use a Canon 5DIII and a Sony A7rIII

3,934 posts
Gallery: 376 photos
Likes: 2004
Joined Dec 2007
Location: Michigan
Jan 21, 2018 20:21 |  #3

I have tried both. I have the MC-11. If I can't tell a difference, it's not worth double the price. You should get more native functionality with your Art lenses with the MC-11. IIRC, Eye AF works with Art lenses. I had the 35A for a while but since sold it (stupid decision)

The native glass is the way to go. I have switched to the 85/1.8, 50/1.8 and the 35/2.8. That trio is fairly inexpensive and performs very well. You are in a far better situation. If I had all Art glass, I would just run them on both systems. There is a bit of a hit in the size/portability with adapters, and to me that is the single biggest down side when you are talking Art series, which can run "native" on the Sony.

That said, my L's focus acceptably on the Sony. I've also just started experimenting with manual focus, and the L's produce crisp images with character on the Sony sensor.

Canon EOS M6 Mark II - EOS R5
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New Sony A7RII & my Canon lenses : questions about the MC-11 & Metabones adaptor
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