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Thread started 18 Mar 2011 (Friday) 16:35
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7D frustrations

 
Nascar ­ Nut
Senior Member
503 posts
Gallery: 5 photos
Likes: 72
Joined Feb 2004
     
Mar 18, 2011 16:35 |  #1

The more I use this thing the more I get frustrated with it. I really think I am having focusing issues with this camera. I am using a 100-400 lens. Shot in av mode. Here is a shot of a pintail that I took several times. He is around 40 yards away resting on a island. To me it looks like it is front focusing on every shot that I took of it. Look in front of it and the grass looks to be in focus. I think I took 10 shots of this duck and had one turn out so so. Shots like these using this lens on my 40d turned out great. I was using center point focus and did not recompose the shot. Now if you zoom in 100% on this shot you will notice that the duck is not in the center. Now if I put the center focus spot on the duck, shouldn't it be in the middle of the shot? I noticed this on every shot I took and the farther away the duck was the more off center it was. Maybe this is normal, I don't know. If it is normal, just about every shot that I took that was not up close was out of focus and full of noise when you looked at it at 100%. I did not have near this problem with my 40d. I tried to do the micro adjustment with this lens and to be honest I had different results each time but for the most part it seemed to be in focus if I left it set at 0

http://the-outdoorsman.net/temp/I​MG_3988031711.jpg (external link)

Here is another shot of a duck a little farther away
http://the-outdoorsman.net/temp/I​MG_3872031711.jpg (external link)

My bif shots were not good either. Most all full of noise and out of focus. One of the reasons I bought this camera was because people said how good it was on catching things in focus. Now if the subject is nice and close the pics are pretty good. I am just comparing this camera to my 40d as far as the pic I just posted and the over all performance of the 7d with bif shots. My 40d was a lot better. I set up my camera like it is on this blog. Thought I would give it a shot.
http://www.deepgreenph​otography.com …ing-up-your-new-canon-7d/ (external link)




  
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Onni
Mostly Lurking
17 posts
Joined Dec 2010
     
Mar 19, 2011 14:01 |  #2

I am having the same issue and it is driving me crazy!!




  
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Mike ­ R
Goldmember
4,319 posts
Likes: 7
Joined May 2006
Location: 06478, CT
     
Mar 19, 2011 15:21 |  #3

I HAD the same issues shooting HS sports. I sent the body in 1 year ago and the made "adjustments" then it started to happen again last month. When I sent it back to Canon, they replaced a circuit board in it (no charge). It came back perfect, except now I had to MA my 85 f/1.8 lens slightly to -3
I had also sent them my grip and they sent it back without repairing it (would not power camera)
They asked that I send the body back with the grip, which I did. They replaced the grip rather than repairing it (no cost) BUT they also said they mad electrical adjustments to the body due to intermittent focusing issues. I guess replacing the board wasn't the only problem? Now I have it back and it's working fine, I also no longer need the MA on the 85 f/1.8

Many people on here were quick to say that any focusing issues were the fault of the user. I say that Canon has a problem with many of the 7D's Otherwise they would have charged me for out of warranty repairs. They even sent me a prepaid shipping label both times.

If you can confirm the lens is operating properly, SEND THE BODY IN FOR SERVICE


Mike R
www.mikerubinphoto.com (external link)

  
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Nascar ­ Nut
THREAD ­ STARTER
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Mar 19, 2011 22:48 |  #4

Mike R wrote in post #12051197 (external link)
If you can confirm the lens is operating properly, SEND THE BODY IN FOR SERVICE

The lens worked fine on my 40d but I know longer have it to test the lens. Would they have a look at it in a camera shop and tell me if it has issues? I guess I spose they would for a fee.




  
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Mike ­ R
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4,319 posts
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Joined May 2006
Location: 06478, CT
     
Mar 19, 2011 22:58 |  #5

Nascar Nut wrote in post #12053510 (external link)
The lens worked fine on my 40d but I know longer have it to test the lens. Would they have a look at it in a camera shop and tell me if it has issues? I guess I spose they would for a fee.

I wouldn't rely on a camera shop to tell me if my lens had a problem. I sent my 70-200 f/2.8L into Canon to be checked over and returned to factory specs. (4 years old and no obvious problem) They claim to have repaired some minor issues. The fee is $95 but with CPS, I paid $70.49


Mike R
www.mikerubinphoto.com (external link)

  
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Snydremark
my very own Lightrules moment
20,051 posts
Gallery: 66 photos
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Joined Mar 2009
Location: Issaquah, WA USA
     
Mar 20, 2011 00:37 |  #6

I had similar complaints with mine; after a couple of months of this sort of thing I sent it in to Canon for a checkup and I haven't had problems since.


- Eric S.: My Birds/Wildlife (external link) (R5, RF 800 f/11, Canon 16-35 F/4 MkII, Canon 24-105L f/4 IS, Canon 70-200L f/2.8 IS MkII, Canon 100-400L f/4.5-5.6 IS I/II)
"The easiest way to improve your photos is to adjust the loose nut between the shutter release and the ground."

  
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bl4scott
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258 posts
Joined Jan 2008
     
Mar 21, 2011 14:18 |  #7

I was having a similar issue with mine. Sent it to Canon Service in Cali and received it back and recently shot a shoot, used a flash though, but the images turned out great. I did have to do a MA to -10 on my 24-70 2.8L to get the pics where I liked it. I have not had an opporunity to check out my other lenses to see how they have come up. I am not sure at this point if they corrected the problem or not. I hate having to test each lens and do MA on each one. My body too was front focusing to the point that most of my shots were not coming out. I just hope that I can get it figured out so that I don't have to keep sending the body back in...


5D MkII * 7D gripped * / Canon 85 1.8 / Canon 24-70 L / Canon 70-200 2.8 L / Sigma 30 1.4

  
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7D frustrations
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