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Occasional Contributor
Posts: 7
Registered: ‎12-09-2017

6D Markii auto-focus issues

Hello,

I was wondering if anyone might have any insight in an issue I have been having with a 6Dmii that I purchased at the end of August. I have been a long time Canon user and previously was using the Canon 6D as my main body (still have it). When I upgraded to the Markii I was excited for the fast frame rate and focus points. However, every lens that I use on the new body needs to be micro-adjusted, and not just by 2-3 clicks, it is requiring a negative 9-11 adjustment for each lens which I would consider excessive. All the same lenses work perfect with no adjustments needed on my old 6D body.

List of lenses:
Tamron 24-70f2.8
Tamron 70-200mm f/2.8 Di VC USD
Canon 100-400 f4.5-5.6 (Mark i)
Sigma Art 50mm f1.4

I have used online micro-adjustment tutorials to adjust each lens and am still noticing very slow speeds in AI Servo mode. My 6D has a much higher percentage of in-focus images with a subject that is moving quickly towards the camera. The Markii has been very frustrating to use, especially when I have the Marki that I have had no issues with that I can compare side by side.

Any help or suggestions would be greatly appreciated.
Honored Contributor
Posts: 6,574
Registered: ‎08-13-2015

Re: 6D Markii auto-focus issues

I have had no focus issues.  There has been a firmware update, which addressed compatibility issues, not AF issues.  You have a gaggle of third party lenses, whereas all of my main lenses are all Canon “L” lenses.

 

The camera is under warranty, so send it to Canon, and ask them to check the AFMA.  

 

The Christmas holiday season is not the best time of the year to send gear in for repair.  They have an increase in sales, and a corresponding increase in service requests.  What would normally take 10-14 days to turn around will easily double that amount of time.  

Plus, there is a double holiday coming up, Christmas and New Year, which is probably the worst case scenario.  I once sent a camera body in during the second week of December, and did not get it back until the third week in January.  

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
Valued Contributor
Posts: 453
Registered: ‎11-19-2017

Re: 6D Markii auto-focus issues

[ Edited ]

You can try a complete reset and set up from scratch.  However, given your time with the 6D, you are probably in a good position to evaluate if something isn't right with the new body.  Doesn't seem right that every single lens you own including Canon has to be adjusted.  

 

With you only being 3 months into ownership, you might want to consider having the body checked by Canon to confirm nothing is wrong with the camera.  If you call, I'll bet they are willing to help.

 

***Wadizzel posted a head of me.  My neighbor just popped over while I was responding.  Same recommendation

Rick
Bay Area - CA
~6D2 (f/w 1.0.4) ~16-35mm f2.8L II, 50 f1.8 STM, 85 prime USM, 70-200 f2.8L IS II ~70-300 USM II ~Sigma 24-70 f2.8 Art (f/w 2.01)
~Sigma 150-600 C + TC1401 1.4x (f/w 1.03) ~Speedlite 430 EX II ~DxO PhotoLab Elite ~Windows10 Pro nVidia GPU 1803
Occasional Contributor
Posts: 8
Registered: ‎01-05-2018

Re: 6D Markii auto-focus issues

Hi -

I had the same issue. I am a long time Canon user and just purchased the 6D Mark ii at the end of November. I primarily use three lenses and all three had to be micro adjusted - one up to -14 and still wasn't focusing properly. Two of my lenses are Canons.

Canon 50mm 1.8

Canon 70-200mm 2.8

Tamron 24-70mm 2.8

I sent in it for repair and was just notified that the auto focusing mechanism was out of position. Hoping it works when it comes back!

I would definitely send it in for evaluation.

Occasional Contributor
Posts: 7
Registered: ‎12-09-2017

Re: 6D Markii auto-focus issues

Thank you for the information! What is the process of sending something into Canon? I have never done it before
New Contributor
Posts: 3
Registered: ‎01-06-2018

Re: 6D Markii auto-focus issues

[ Edited ]

I can only confirm that I had exactly the same issues with AF and my newly purchased 6D mark II.

The lenses I used with this body: 

Tamron 70-200mm f/2.8 SP Di VC USD
Canon EF 50mm f/1.4
Canon EF 24mm f/1.4 L

Canon EF 35mm f/2 IS USM

AF was almost always out of the focus. I have given up and returned it becasue didn't want to go through warranty process.

Interestingly AF in live View mode worked flawlessly.

Honored Contributor
Posts: 6,574
Registered: ‎08-13-2015

Re: 6D Markii auto-focus issues


Namra38 wrote:
Thank you for the information! What is the process of sending something into Canon? I have never done it before

In the US, call 1-800-OK-CANON.  There is also a web site link that you can use, too, to set up a return authorization ticket.

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"I don't rent software. I use Photoshop CS6, ACR 9.8 and Lightroom 6.8 ."
Occasional Contributor
Posts: 8
Registered: ‎01-05-2018

Re: 6D Markii auto-focus issues

Call Canon and tell them you want to send it in for a repair issue and it is still under warranty. They will provide you with paperwork to include with it and you must also provide a copy of your receipt of purchase to prove it is under warranty still, which they didn't bother to tell me the first time and they wanted to charge me for repair.

When I receive my camera back, I will let you know if the issue is corrected.

Tracey

Occasional Contributor
Posts: 8
Registered: ‎01-05-2018

Re: 6D Markii auto-focus issues

I'm curious to know AnnaMaria if you purchased another 6D Mark ii after returning the defective one? And if so, was it okay. I'm really concerned that I'm going to get my camera back and it will stil have an issue. Kinda wishing I had just returned it now...

New Contributor
Posts: 3
Registered: ‎01-06-2018

Re: 6D Markii auto-focus issues

I'm getting 5D Mark IV. Waiting for delivery.
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