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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 19 Apr 2010 (Monday) 04:41
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7d users, who had to send yours 7d to Canon to fix erratic focus problems...

 
dave ­ kadolph
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Apr 19, 2010 18:11 |  #16

Ken Nielsen wrote in post #10026317 (external link)
A shameful thread, again. OP, please read the volumnous post by those who 'swear' and also swear that the problems they are having are with the camera. You question should more appropriately be: How many users need to be sent back to the factory to learn how to use the 7D?

Stay tuned.

Why is this a shameful thread?

There are dozens of members that have had defective units--problems that just went away after they were replaced.--or repaired.

Posters also "swore" it was user error--but in the end they were proven wrong.

Please reference the tango thread https://photography-on-the.net …read.php?t=8474​86&page=31 as an example--2 bad ones and an intervention by CPS to get acceptable results


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coyote20000
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Apr 29, 2010 14:51 |  #17

Maybe K.N. can't figure it out but here it is in caveman.

I buy two cameras (7D's). (New)
One good.
One bad.


Canon 7D/EF14mmL /EF28-135mm /EF70-300mm /EX580II
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Apr 29, 2010 16:06 |  #18

Mine was sent back for erratic focusing issues, they said it was in spec. I'll be field testing it this weekend, the some more focus test next week to determine if anything changed at the factory.


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Apr 29, 2010 16:49 |  #19

Mine will be going back right after classes...May 22nd!!! I'm having all kind of focusing issues...especially with my 300 f/2.8L IS. In AI Servo, center focused on subject, one out of my burst is in focus. It appears that during the panning action, I begin to pick up the background even though there is nothing behind the subject. This happened a couple of times during a baseball practice and also during a couple of my BIF's. Haven't been able to figure it out, but it might as well be looked at before soccer season begins.




  
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Canon ­ 5D ­ Mark ­ II
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Apr 29, 2010 16:57 |  #20

looks like the first batch of 7D have problems


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dave ­ kadolph
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Apr 29, 2010 17:25 |  #21

Canon 5D Mark II wrote in post #10091244 (external link)
looks like the first batch of 7D have problems

1d3--same issue
40D-error 99
50D--high ISO banding
5D2--black dots
1D4-low light focus

See a pattern with recent new releases?


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doofuss
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Apr 29, 2010 17:48 as a reply to  @ dave kadolph's post |  #22

I have only had my 7d for a few weeks and am now also starting to suspect that I may have AF problems as nearly all images are soft and not tack sharp. I was planning to arrange to send it back for warranty when I discovered that the camera body does not a serial number on it!..Here is a link to a thread on this very issue. https://photography-on-the.net/forum/showthre​ad.php?t=865315

Once I get the serial number issue sorted out I think I will be sorting out the AF issue. Simple resolve to both would be for Canon to simply give me a new replacement camera immediately.


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laychengjin
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Apr 30, 2010 05:18 |  #23

I had sent mine back and they replaced one of the part PCB ASS'Y,DC/DC and the Focus works fine now!!!! so happy :D

by the way. i sent the body and lens together for them to calibrate and fix the 7D


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TeamSpeed
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Apr 30, 2010 06:37 |  #24

Canon 5D Mark II wrote in post #10091244 (external link)
looks like the first batch of 7D have problems

Really? Mine was purchased week 1 of the initial release. No issues... as with many others.

dave kadolph wrote in post #10091435 (external link)
1d3--same issue
40D-error 99
50D--high ISO banding
5D2--black dots
1D4-low light focus

See a pattern with recent new releases?

No pattern, each one of these have completely different issues, and some have yet to be confirmed to be a widespread issue. For example, there are first release 7Ds with no issues, high ISO banding has been an "issue" on every single xxD body, if you push the ISO, it will show banding. The 1D4 isn't an issue yet, some people are making observations, others are refuting them.

Many people live by the mantra of not buying the first round of any new device, others don't care and live with any gremlins that come out once thousands of people get their hands on them. This is nothing new for just about anything for least the few decades I have been around. Test groups cannot test for every conceivable combination of shooting condition, there is no way to emulate the public. You just release what you have, otherwise nothing will get released, or the competition will release before you.

The proverbial glass always seems half empty to you doesn't it? :)


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Invertalon
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Apr 30, 2010 06:44 |  #25

My AF is spot on and was never sent to Canon. I always drool over the sharpness I get from mine!


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dave ­ kadolph
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May 05, 2010 18:39 |  #26

TeamSpeed wrote in post #10094571 (external link)
No pattern, each one of these have completely different issues, and some have yet to be confirmed to be a widespread issue.
Many people live by the mantra of not buying the first round of any new device, others don't care and live with any gremlins that come out once thousands of people get their hands on them. This is nothing new for just about anything for least the few decades I have been around. Test groups cannot test for every conceivable combination of shooting condition, there is no way to emulate the public. You just release what you have, otherwise nothing will get released, or the competition will release before you.

The proverbial glass always seems half empty to you doesn't it? :)

I waited a few days to reply--and as a skilled tradesman working on multimillion dollar equipment my outlook may be slightly different than most.

When an action or error produces scrap or downtime in a real world environment the acceptance level is absolutely zero--

Setup, preproduction, and beta testing are the areas for working out the bugs--when you release a product for sale it darn well better be perfect.


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Canis_Majoris
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May 05, 2010 19:15 |  #27

dave kadolph wrote in post #10128693 (external link)
I waited a few days to reply--and as a skilled tradesman working on multimillion dollar equipment my outlook may be slightly different than most.

When an action or error produces scrap or downtime in a real world environment the acceptance level is absolutely zero--

Setup, preproduction, and beta testing are the areas for working out the bugs--when you release a product for sale it darn well better be perfect.

It should be but often isn't. There are plenty of examples of products being released with faults, even after extensive testing, look at the Xbox 360 for example, or the PS3, or Sony batteries, or certain laptops running the Nvidia 7800/8400 chip (even the mightly Apple suffered at the hands of this one). There are hundreds of examples. Some even more serious like the recent Toyota debacle.

This stuff happens. It shouldn't, but it does. I work in tech and see it all the time. Just the other week McAfee released a definition update that destroyed thousands of XP SP3 machines. Unfortunately it seems to be a sign of the times for a lot of companies.




  
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thw
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May 05, 2010 19:31 |  #28

Mine was there for 1.5 months and I made 5 trips there. Didn't work out.

Eventually, I was given a new copy and everything was fine.


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May 05, 2010 19:43 as a reply to  @ Canis_Majoris's post |  #29

I still crack up at people who still have the egos to stand up here and claim user error for the issues at hand with the 7D. Oh Yes... it must be "User Error" cause the user turned on the camera. Simply... if the autofocus works in the manner it was designed to and is properly configured, it will take Hypodermic needle sharp images EVERY TIME!

If its off like my two previous ones were... its bad and you know it.

Anyone who comments about User Error... just hit the IGNORE button.

Here is my lovely 7D doing what it does best!

Taken with my 7D and the EF 300mm 2.8L

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Same Corner... 1DmkIV with the same lens. Should I have spent the extra $$$?

IMAGE NOT FOUND
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May 05, 2010 19:48 |  #30

dave kadolph wrote in post #10128693 (external link)
I waited a few days to reply--and as a skilled tradesman working on multimillion dollar equipment my outlook may be slightly different than most.

When an action or error produces scrap or downtime in a real world environment the acceptance level is absolutely zero--

Setup, preproduction, and beta testing are the areas for working out the bugs--when you release a product for sale it darn well better be perfect.

My guess is that part of the cost of a "multimillion dollar" piece of equipment is in just such testing and bug removal. If Canon's cameras were selling for tens or hundreds of thousands of dollars, we might be entitled to expect perfection and FedEx next day turnaround on gratis repairs. However, for cameras which barely reach into the thousands of dollars, it is not realistic to expect perfection. We hear about the failures but have no way of gauging (least of all from forums like this) how large a % these represent (how many don't have problems), and how many are actually camera faults vs. excessive expectations from users or,gulp, user error or NRTFM :D


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7d users, who had to send yours 7d to Canon to fix erratic focus problems...
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