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Archive 2015 · A7RII and Canon lenses AF compatibility

  
 
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p.17 #1 · A7RII and Canon lenses AF compatibility


jamato8 wrote:
I get off and on focus. Sometimes great and the worst conditions and sometimes not. I hope an update from Metabones, which is what I use works. I shot these by focussing on the brighter area and then taking the image or just leaving the lens set on infinity, once I knew what I was going to shoot.

Shot yesterday evening during my daily hike and the monsoons are doing their thing.

24-70L II

On image 2, see the lighter area along the horizon under the cloud with rainfall? I have noticed this a lot in digital, the transition has
...Show more

All great shots, but I find #2 breathtaking!



Aug 25, 2015 at 08:31 PM
absolutic
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p.17 #2 · A7RII and Canon lenses AF compatibility


just ordered Metabones "T" adapter to check if "T", as some suggest her, do autofocus 135L and few other lenses on A7RII, that Metabones IV regular or "M" and others do not autofocus. I will check at the end of the week when it arrives.


Aug 26, 2015 at 11:35 AM
gidronic
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p.17 #3 · A7RII and Canon lenses AF compatibility


I'd like to share an experience. I've got a7RII + Commlite adapter and a little pile of Canon lenses. Hopefully trying to make them work together I got such results:
All sets a7RII + Commlite + Canon 16-35/4L IS / 24-70 2,8L II / 70-200 2,8L II work quite fast and properly. Actually there is nothing to complain about. But! This damn but...
a7RII + Commlite don't work at all with Canon 35 1,4L / 50 1,2L / 85 1,2L II + Phase detect AF. At the same time they surprisingly work (very slow) with contrast AF in video mode only while I'm pushing down AF button. I wish they all worked as well as mentioned above my zoom-lenses.
PS. Thinking about Metabones IV-T. Maybe it is a way out.



Aug 26, 2015 at 06:18 PM
gidronic
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p.17 #4 · A7RII and Canon lenses AF compatibility


absolutic wrote:
just ordered Metabones "T" .....I will check at the end of the week when it arrives.


I profoundly believe it'll be successfull.



Aug 26, 2015 at 06:28 PM
Fred Miranda
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p.17 #5 · A7RII and Canon lenses AF compatibility


absolutic wrote:
just ordered Metabones "T" adapter to check if "T", as some suggest her, do autofocus 135L and few other lenses on A7RII, that Metabones IV regular or "M" and others do not autofocus. I will check at the end of the week when it arrives.


I have the "T" version and it does not AF the 135L...Lots of hunting...



Aug 26, 2015 at 07:12 PM
absolutic
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p.17 #6 · A7RII and Canon lenses AF compatibility


Fred thanks. I guess my metabones is going back then.

Fred Miranda wrote:
I have the "T" version and it does not AF the 135L...Lots of hunting...




Aug 27, 2015 at 09:04 AM
gidronic
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p.17 #7 · A7RII and Canon lenses AF compatibility


Hi Fred. Does Metabones IV-T work properly with other Canon prime lenses such as 35/1,4 50/1,2 85/1,2 II?


Aug 27, 2015 at 03:31 PM
js426
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p.17 #8 · A7RII and Canon lenses AF compatibility


what's the difference between T and M ? Thanks


Aug 27, 2015 at 03:33 PM
absolutic
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p.17 #9 · A7RII and Canon lenses AF compatibility


js426 wrote:
what's the difference between T and M ? Thanks


if you read metabones site, coating, if you read a post couple of pages back here - completely different and autofocuses more Canon lenses.



Aug 27, 2015 at 03:40 PM
Fred Miranda
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p.17 #10 · A7RII and Canon lenses AF compatibility


absolutic wrote:
Fred thanks. I guess my metabones is going back then.



My A7R's contrast detect AF with the Metabones IV "T" works better than the A7RII's phase detect with the 135L. I am able to actually lock focus, although it's painfully slow using contrast detect. I would say both are pretty much unusable but the A7R AF is better than the A7RII with this lens.



Aug 27, 2015 at 04:36 PM
absolutic
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p.17 #11 · A7RII and Canon lenses AF compatibility


Fred Miranda wrote:
My A7R's contrast detect AF with the Metabones IV "T" works better than the A7RII's phase detect with the 135L. I am able to actually lock focus, although it's painfully slow using contrast detect. I would say both are pretty much unusable but the A7R AF is better than the A7RII with this lens.


If you change your A7RII in contrast detect only in Menu setting, is it the same speed on 135 as it is with A7R mark 1?



Aug 27, 2015 at 04:39 PM
Fred Miranda
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p.17 #12 · A7RII and Canon lenses AF compatibility


absolutic wrote:
If you change your A7RII in contrast detect only in Menu setting, is it the same speed on 135 as it is with A7R mark 1?


Yes, I just tested this.
If you change AF System from Phase Detection AF to Contrast AF, you will be able to acquire focus with the 135L on the A7RII.
However, AF is just as painful slow as before (A7R) without the benefit of the new phase detection AF. For those who already have this lens, it's an option though.



Aug 27, 2015 at 05:02 PM
Davezp25
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p.17 #13 · A7RII and Canon lenses AF compatibility


How's the flare control on the metabones IV t version? I have the fotodiox and while af seems fine(does not work with 85 1.8 or 135 2) flare is pretty evident


Aug 27, 2015 at 08:21 PM
jamato8
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p.17 #14 · A7RII and Canon lenses AF compatibility


Davezp25 wrote:
How's the flare control on the metabones IV t version? I have the fotodiox and while af seems fine(does not work with 85 1.8 or 135 2) flare is pretty evident


I haven't had any flare on a number of lenses with the T version.



Aug 29, 2015 at 12:00 AM
capt3450
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p.17 #15 · A7RII and Canon lenses AF compatibility


Yes, I found that too...Oh well at least have one option for those who loved that "bokeh monster".

-capt3450



Yes, I just tested this.
If you change AF System from Phase Detection AF to Contrast AF, you will be able to acquire focus with the 135L on the A7RII.
However, AF is just as painful slow as before (A7R) without the benefit of the new phase detection AF. For those who already have this lens, it's an option though.




Aug 29, 2015 at 06:49 PM
Fred Miranda
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p.17 #16 · A7RII and Canon lenses AF compatibility


I got a word that the Canon EF 200mm f/2L IS AF well with the Metabones IV. It was added to the list.


Aug 29, 2015 at 11:52 PM
pano200
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p.17 #17 · A7RII and Canon lenses AF compatibility


Just wondering if anyone has experienced a bad metabones adapter yet? ordered the MEEFEBT4 adapter from B&H and all I get on camera is: the lens is not attached correctly or is not supported. Tried twisting the lens or adapter slightly off 'click' to see if contacts weren't lined up or something.. but got no results.

I've tried it with 2 copies of the canon 50mm f1.2L lenses on the A7rii.

Just emailed metabones about it... has anyone else had the same problem?


UPDATE: found out that slightly untwisting the adapter from fully locked it allowed the AF to work great... guess it's time to see if i can get an exchange.



Aug 30, 2015 at 12:54 AM
absolutic
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p.17 #18 · A7RII and Canon lenses AF compatibility


Had the same issue with mb4. Did not work for the first 15 min with any of the lenses. Then suddenly it started working and then now it works. I wonder if it is something like it needs initial charge for some time ? I have not had this problem with commlite adapter which worked immediately b

pano200 wrote:
Just wondering if anyone has experienced a bad metabones adapter yet? ordered the MEEFEBT4 adapter from B&H and all I get on camera is: the lens is not attached correctly or is not supported. Tried twisting the lens or adapter slightly off 'click' to see if contacts weren't lined up or something.. but got no results.

I've tried it with 2 copies of the canon 50mm f1.2L lenses on the A7rii.

Just emailed metabones about it... has anyone else had the same problem?

UPDATE: found out that slightly untwisting the adapter from fully locked it allowed the AF to work great... guess it's
...Show more



Aug 30, 2015 at 01:42 AM
absolutic
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p.17 #19 · A7RII and Canon lenses AF compatibility


I wonder if metabones people can do firmware so my 135 worlks in phase method. I know they are working on it and I wish them luck


Yes, I just tested this.
If you change AF System from Phase Detection AF to Contrast AF, you will be able to acquire focus with the 135L on the A7RII.
However, AF is just as painful slow as before (A7R) without the benefit of the new phase detection AF. For those who already have this lens, it's an option though.




Aug 30, 2015 at 01:43 AM
saintiwari
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p.17 #20 · A7RII and Canon lenses AF compatibility


I so so so want 135/2 to work on the damn thing.


Aug 30, 2015 at 03:34 AM
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