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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 08 Nov 2009 (Sunday) 15:29
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Canon 7D autofocusing problem fixed with service

 
Needsnow
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Nov 08, 2009 15:29 |  #1

Happy to report that my 7D came back and after microadjusting all of my lenses, it not only focuses, but the camera is now a WOW.

Canon turned it around in 1 week. Very impressed with their service in NJ.


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SoundsGood
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Nov 08, 2009 17:19 |  #2

I'll bet you're pretty relieved. :)



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Needsnow
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Nov 08, 2009 17:26 |  #3

No kidding! I think they actually looked at the sample pictures I sent along on the CD.


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monty28428
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Nov 08, 2009 17:27 |  #4

Good deal -- now get out there and shoot something :-)




  
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Needsnow
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Nov 08, 2009 17:33 |  #5

I have been - over 4,000 shots. That's why I was so frustrated with how the camera was working. Here's a 40 second shot in New Mexico a few weeks ago. It worked great on a tripod with manual focus. Then in the real world, the focus was all over the place - especially in AI Servo. Now, it locks, tracks and is spot on.


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monty28428
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Nov 08, 2009 17:41 |  #6

Nice shot!




  
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SoundsGood
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Nov 08, 2009 17:59 |  #7

WOW!



40D and a whole bunch of lenses
Canon 430EX, Kenko 1.4x, Domke F-3X, F-5XB, Zeikos grip
Zenfolio Discount Code: YGK-8U7-1GG (external link)

  
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bohdank
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Nov 08, 2009 19:18 |  #8

Hmmm.... lots of stuck pixels there ;-)a


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Needsnow
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Nov 08, 2009 19:22 |  #9

Oh....thousands of bad pixels! I knew someone would make that comment.


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ccp900
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Nov 08, 2009 22:03 |  #10

what im finding out is my 24-105 might be a lil off...not sure if its the lens or the body....when i take a picture of lets say a book the letters are really crisp and sharp but sometimes when i take pictures of people the focusing seems off....i might have to redo some of my tests to determine the exact point where AF starts....ill also try spot af to make sure its not user error....i think it is though but im not certain....i cant do frikking MAFA coz believe it or not here it comes....i dont have a tripod LOL....im trying to borrow one hehe....my room is just not suited for MAFA testing.

also, i found a real cool way to do MAFA. one that doesnt require tripping the shutter. its at northlight and openphotography. uses LCD and liveview. problem is i dont have space inside the house to do this test. how important is it to do 50x FL? if i do that the frikking target becomes really small in my viewfinder.


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psxindo
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Nov 09, 2009 15:43 |  #11

Needsnow wrote in post #8978289 (external link)
Happy to report that my 7D came back and after microadjusting all of my lenses, it not only focuses, but the camera is now a WOW.

Canon turned it around in 1 week. Very impressed with their service in NJ.

What's wrong with your 7D?
I might have to send it in... not sure if the lens or the body.


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nicksan
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Nov 09, 2009 15:50 |  #12

What did they exactly do with your 7D?




  
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Needsnow
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Nov 09, 2009 15:51 |  #13

My 7D was WAY front focusing. This caused all sorts of problems in AI Servo. I would point it at a target it and it would just wiggle and giggle around. I shoot most of the time in Al Servo and I was so disappointed with how it worked. Now, in AI Servo, it zipps right to the target and when I take the picture, it's tack sharp and not out of focus.


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Needsnow
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Nov 09, 2009 15:52 |  #14

The note said "It was found that front focusing. Electrical adjustments were carried out on the AF assembly and product functions were confirmed."

Here is how it does in AI Servo now with 70-200 at 200 with bouncy white dog running toward me at about 10 feet, at F4 - so very small DOF. Focus was on where the number 8 would be on the blue ball.


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Canon 7D autofocusing problem fixed with service
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