1DmkIII service and hmmm

pxl8 said:
Canon RCC is the repair centre at Elstree.

Out of interest, how are you doing these 20 shots tests?
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steady as a rock... aimed at still subject... FIRE! :) But the fact that same test with mkII produces better results tells the story I htink.. so even if my test is flawed the results would mean the mkii poor as well..
 
KIPAX said:
go on humor me :) Canon RCC ?

I can take 20 pics.. 3 or 4 OK and the rest look like not calibrated..

I can take 20 pics at +12 to +18 calibration.. 20 of each with same results.. 3 or 4 look good and the rest not..

Seems like calibration is all over the place :(

Put my 300 on the mk2 and every one a winner.. put it on the mkIII and poor. that for me tells the story :(
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I'm presuming here that you have spent the time and calibrated this lens to the camera as per the book?

If still not happy I would send the camera and the lens back with a strongish letter more or less stating that it should have been spot on in the 1st place!

Hmmm, I'm beginnging to think a lot of this is down to the individual service centres. I've heard nothing but praise for A J Johnstone in Glasgow.
 
admirable said:
I'm presuming here that you have spent the time and calibrated this lens to the camera as per the book?

If still not happy I would send the camera and the lens back with a strongish letter more or less stating that it should have been spot on in the 1st place!

Hmmm, I'm beginnging to think a lot of this is down to the individual service centres. I've heard nothing but praise for A J Johnstone in Glasgow.
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I had the lens/body calibrated perfect (by me aftre lots of testing) before it went for the magnets problem.. come back and not getting consistant results... dunno wether to send back to colchester or straight to canon.
 
KIPAX said:
steady as a rock... aimed at still subject... FIRE! :) But the fact that same test with mkII produces better results tells the story I htink.. so even if my test is flawed the results would mean the mkii poor as well..
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Is this in servo mode or single shot?
 
I would send it to Canon,Mine works well right out of the box with all my lenses, you should hot have to start tuning lenses in yourself they should be right.
 
KIPAX said:
servo . but like i say .. so is the mkII test
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Can you post a few crops from the sequence and your CFs, esp iii-2. I want to see how far OOF it's going.
 
Just for interest sake I looked through some of the events I did earlier in the year with the MkII. There were OOF shots but in terms of percentages probably less than with the MkIII.(difficult to say as I've already binned a lot including those which were in focus but badly composed).

What I don't know is if that's because I'm being more ambitious with my shooting or the AF on the MkIII is poorer. :shrug:
 
The one setting that seems to have the greatest impact on the AF accuracy is the tracking sensitivity. I have it set on 1 to the slower side and find the AF is a lot smoother. On the higher settings it tends to jump about a bit.
 
pxl8 said:
The one setting that seems to have the greatest impact on the AF accuracy is the tracking sensitivity. I have it set on 1 to the slower side and find the AF is a lot smoother. On the higher settings it tends to jump about a bit.
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Had mine on slow from day one.. simmilar to mkII :)
 
Thanks for that quick response, very informative. Ric.
 
natjag said:
A few days I was using AI servo, and the focus was so bad (with a walking person), I thought I had the lens set to manual. Perhaps, I should get mine looked at. Do they need to calibrate with your lens, or just the camera?
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I tried this with my mk11n, and I found myself in similar conditions to the one above (same person), the mk11n was worse than the mk111. So I don't feel quite so bad at the focus on the mk111.
 
natjag said:
I tried this with my mk11n, and I found myself in similar conditions to the one above (same person), the mk11n was worse than the mk111. So I don't feel quite so bad at the focus on the mk111.
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I think it might be better to set the focus to fast an a person walking towards you,thats what I had mine set on when I did a wedding.
 
dod said:
Me too. On a days shooting at motocross I'd say I'd have about 25% OOF with the MkIII. I keep on saying I'll use the MkII again, just to compare, but the IQ of the MkIII is just so good, and the camera is such a pleasure to use I never do :shrug:
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Well, I had another day at the track today and used the MkII for almost 700 frames. Of that I've deleted about 200 which is 28%. On that basis there's nothing to choose between my MkII and MkIII which is reassuring.
 
I calibrated my camera to +12 with the 300.. since its come back from having magnets fixed I had problems.. finally got decent pics this weekend BUT at +20 (maximum) and I know they could be better. I take crowd shots from the length of a football pitch and can see rows in front at sharper even at +20

So off its gone to canon elstree today at another cost of 22 quid... they say they will calibrate and test and have it back to me for weekend.. I played my CPS card :)
 
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