Gear Talk > EOS Bodies - For Stills

HONEST users of Canon Bodies who earn their living with photography

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mingulay:
Again I find myself in a state of rage and I am cursing all responsible canon managers. Having shot a group of people at a wedding six times I now find out - sitting in front of my 24 inch screen -  that the autofocus six times chose the wall behind the group... I accept one can go wrong once or even twice. But not six times out of six. It is clearly a problem of the product. In the particular case a 1D IV paired with a 24-70 2.8.

Back in 2005 I bought a 5D. It focused well and was a great camera in general. Since then I bought a 1D III which could not autofocus at all. I spent about 7000 $ for a camera that can't autofocus and nobody from canon could or wanted to help me. Then I bought a 5D II. In much too many cases the autofocus just goes wrong. Then I bought a 1D IV. Another 7000 $. And again in much too many cases the autofocus is not working properly (as in the case described above). All in all I spent 17'000 $ on cameras from Canon which can not (or not often enough) autofocus. 

Now I come to the point: I feel like going for a new body but I am not willing (and able...) to spend even more money on cameras that just don't deliver what the are priced for. So I would appreciate feedback regarding the quality of the autofocus from people who use the 5D III or 1DX. Critical, honest and heavy users and people who have to deliver to customers. Is the autofocus in the mentioned cameras good - ore just LESS BAD but still not as it should be with such a price tag? Your feedback would help me a lot!

By the way. If you wonder how stupid one can be to still think of buying Canon gear: I have a wide range of lenses from 14 2.8 up to 500 4 and would like to still use it in the future.

If you want to have a look on what level I work you can have a look here: www.peoplephotography.ch

neuroanatomist:

--- Quote from: mingulay on August 16, 2012, 07:33:27 PM ---Having shot a group of people at a wedding six times I now find out - sitting in front of my 24 inch screen -  that the autofocus six times chose the wall behind the group... I accept one can go wrong once or even twice. But not six times out of six.

--- End quote ---

Four questions - what AF selection mode were you using (auto, manual, expansion, etc.), what was the size of the face(s) relative to the AF point(s), do you realize that the actual AF point is larger than the little box representing it in the VF (even with Spot AF), and lastly and possibly most importantly, did you AF microadjust your lens (and if so, how - ok, sorry, that was 5 questions)?

mingulay:
Thank you for your reaction.

AF selection was manual. The faces were rather large and the group covered about 80% of the frame. The lens is well adjusted and if the background is pitch dark or there is no background at all (close ups), the autofocus even works perfectly. Unfortunately this is a rather rare case.

Your not answering directly lets me think you meet autofocus problems with your 1DX as well?

wickidwombat:
I have never had any sort of problem with Af on my 1dmk3 my 5dmk2s well the center point works well enough the outer ones i gave up on.my first copy of the 5dmk3 was a complete dog and could not af to save its life my new replacement one is dead accurate and really really awesome

neuroanatomist:
No problems at all, except for the AFMA bug. My 1D X consistently nails focus, even with close, complex backgrounds.

Another couple of questions - what lens/aperture, did you focus-recompose?

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