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Archive 2013 · Sony A7 and A7r Full Frame with Canon Lenses

  
 
Fred Miranda
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p.116 #1 · p.116 #1 · Sony A7 and A7r Full Frame with Canon Lenses


denhar8333 wrote:
Hi all, I have just finished writing a blog on how to fix a Metabones adapter without dismantling the unit. With the purchase of my A7R I received a free adapter as a redemption offer from Sony Australia. I did a lot of comparison testing against several adapters that I had previously used with a Sony Nex7. My tests proved that the Metabones causes flare under certain lighting conditions. For example, long exposures with overcast skies, and around rainforests, waterfalls, with night shots and architectural interiors. 

http://dennisharding.com.au/prevent-flare-in-canon-ef-adapter


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Here is detailed information and diagram for applying self-adhesive flocking or velour paper.
Posted by photographer Marc Aurel

https://www.fredmiranda.com/forum/topic/1247661/93#12012465



Jun 10, 2014 at 11:10 PM
secondclaw
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p.116 #2 · p.116 #2 · Sony A7 and A7r Full Frame with Canon Lenses


So I got the Mark 4 metabones adapter (ordered directly from MB). A few observations:
1. It now comes with a protective plastic case and two end caps - which should be nice - to prevent dust gathering in the optical path.
2. It's tolerances and quality is pretty much as bad as before, the adapter still moves slightly when mounted on A7R.
3. The inner path does appear larger and it does reflect much less. Putting the two side by side by a light source makes it pretty apparent.
4. So far I tried 24-70mm mk2 on the new adapter, and I have been unable to induce vertical flares (i.e. coming from light just above or below the frame). MB3, with top and bottom unflocked, does exhibit flares from the same spot. I was able to replicate side flares, but they were weaker than a flocked MB3. Haven't tried TS-E 17 yet.

I'm actually thinking of swapping the two mount ends from MB3 to MB4 - but I guess I can contact Metabones first. My MB3 had a perfect lens-mount side tension.



Jun 13, 2014 at 06:34 PM
dgdg
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p.116 #3 · p.116 #3 · Sony A7 and A7r Full Frame with Canon Lenses


The side flares on unlocked 4 are less than a flocked 3
So you will need to just flock the sides on you version 4?



Jun 13, 2014 at 09:39 PM
mttran
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p.116 #4 · p.116 #4 · Sony A7 and A7r Full Frame with Canon Lenses


A7s vs 5D3 - setting 1080p before playing:




Jun 13, 2014 at 09:50 PM
secondclaw
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p.116 #5 · p.116 #5 · Sony A7 and A7r Full Frame with Canon Lenses


dgdg wrote:
The side flares on unlocked 4 are less than a flocked 3
So you will need to just flock the sides on you version 4?



Yea I may need to do that. Though its also possible side flares are not really adapter related, but I'll have to test that before I bother flocking.Mark 4 is certainly an improvement though I really can't stand build quality.



Jun 13, 2014 at 10:10 PM
Michaelparris
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p.116 #6 · p.116 #6 · Sony A7 and A7r Full Frame with Canon Lenses


A7 plus some Canon glass





Sony A7 w/ Canon 200 2.8 L and MB adapter ISO 800 1/320 F2.8 -.03




Jun 26, 2014 at 12:38 AM
keithchan
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p.116 #7 · p.116 #7 · Sony A7 and A7r Full Frame with Canon Lenses


Anyone tested the new Canon 16-35/F4 on the Sony A7/7r yet? Based on the MTF performance this lens might be significantly sharper than Sony's upcoming 16-35/F4....


Jun 26, 2014 at 12:52 AM
chez
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p.116 #8 · p.116 #8 · Sony A7 and A7r Full Frame with Canon Lenses


Here's a thread from the Alt forum that discusses this lens.

https://www.fredmiranda.com/forum/topic/1302835



Jun 26, 2014 at 06:51 AM
kezeka
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p.116 #9 · p.116 #9 · Sony A7 and A7r Full Frame with Canon Lenses


keithchan wrote:
Anyone tested the new Canon 16-35/F4 on the Sony A7/7r yet? Based on the MTF performance this lens might be significantly sharper than Sony's upcoming 16-35/F4....


yes: https://www.fredmiranda.com/forum/topic/1302020/2

It might be sharper but you always loose something with the adapters. No free lunches and whatnot.



Jun 26, 2014 at 08:07 AM
dgdg
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p.116 #10 · p.116 #10 · Sony A7 and A7r Full Frame with Canon Lenses


lol.
It's still a fine lunch.

David



Jun 26, 2014 at 09:21 AM
keithchan
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p.116 #11 · p.116 #11 · Sony A7 and A7r Full Frame with Canon Lenses


kezeka wrote:
yes: https://www.fredmiranda.com/forum/topic/1302020/2

It might be sharper but you always loose something with the adapters. No free lunches and whatnot.


Thanks for the pointer -- the big question now is how it compares to the Sony lens.

Just like Nikon outsources sensors from Sony, Sony should outsource lenses from Canon



Jun 26, 2014 at 12:42 PM
retrofocus
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p.116 #12 · p.116 #12 · Sony A7 and A7r Full Frame with Canon Lenses


kezeka wrote:
yes: https://www.fredmiranda.com/forum/topic/1302020/2

It might be sharper but you always loose something with the adapters. No free lunches and whatnot.


So far I didn't lose anything with the use of adapters other than slow AF which is no issue for me since I use MF with the A7R anyway. Just opposite, I only gained by using the A7R and adapters in incredible resolution and DR! And of course in the flexibility to use all kind of MF lenses.



Jun 26, 2014 at 02:01 PM
dgdg
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p.116 #13 · p.116 #13 · Sony A7 and A7r Full Frame with Canon Lenses


I found the metabones/A7 auto focuses as fast and accurately as Canon's 5DIII live view, ~2 seconds. Certainly sluggish by dslr standards, but fine for most things not moving quickly. I still have my dslr for bif and children, not sure which are faster at times!

David



Jun 26, 2014 at 02:06 PM
mttran
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p.116 #14 · p.116 #14 · Sony A7 and A7r Full Frame with Canon Lenses


A7(R,S) owner, what to replace your A7 series? I can't think of any for now. I am in love with photography all over again just like my 1Ds2 in the old day.


Jun 26, 2014 at 08:33 PM
billsnature
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p.116 #15 · p.116 #15 · Sony A7 and A7r Full Frame with Canon Lenses


Couple of shots of 16-35 IS on the Sony A7R at f8












Jun 26, 2014 at 09:53 PM
hertzian
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p.116 #16 · p.116 #16 · Sony A7 and A7r Full Frame with Canon Lenses


How about A7s?


Jun 27, 2014 at 09:36 AM
herion
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p.116 #17 · p.116 #17 · Sony A7 and A7r Full Frame with Canon Lenses


I *really* do want to take the plunge with an a7 or an a7R - I am concerned about the plastic mount in the a7 and the kickback on the a7R. I was in B&H today and there is a definite bounce on the a7R.

My big worry tho is about the MB III/IV adapter - there seems to have been a number of QA/QC problems with them - either too tight or too loose. Has the QA/QC improved with the MBIV? (btw, B&H is now selling the MBIII for 379 and the MBIV for 399)



Jun 27, 2014 at 03:22 PM
RobDickinson
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p.116 #18 · p.116 #18 · Sony A7 and A7r Full Frame with Canon Lenses


Herion yeah I have too many issues like you.

Being in New Zealand I can't go returning half a dozzen addaptors until I get a good one.

May wait till the refresh, d810 has electronic first curtain and base iso 64



Jun 27, 2014 at 03:33 PM
herion
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p.116 #19 · p.116 #19 · Sony A7 and A7r Full Frame with Canon Lenses


Rob,

I'm a Canon guy - I'm hoping something will be announced at Photokina this Fall - I'm in no rush to switch right now... I took my time with an EOS-M and I'm very happy with it!



Jun 27, 2014 at 06:06 PM
eheffa
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p.116 #20 · p.116 #20 · Sony A7 and A7r Full Frame with Canon Lenses


kezeka wrote:
Has anyone ran into a problem where their a7 or a7r hangs on a black but still backlit screen after taking a photo for 20+ seconds or until you restart the camera? I have also run into problems where the camera will take 10-20 seconds to wake from sleep a few times a day. Needless to say, I have missed some great photos because of these "crashes". Have only been using a metabones III adapter with the 35L and 85L in manual focus. Really like the a7 otherwise. The shutter is way quieter than my SLRs, particularly with the electronic
...Show more

Yes.

I only get this with the Metabones adapter & no other adapters or native FE lenses.

Twisting the MB on & off fixes it.


-evan



Jul 23, 2014 at 02:36 PM
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