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FORUMS Canon Cameras, Lenses & Accessories Canon EOS Digital Cameras 
Thread started 03 Sep 2013 (Tuesday) 00:00
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What happened here? Weird camera glitch.

 
pstyle1
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Sep 03, 2013 00:00 |  #1

Going through and culling photos from a wedding and ran across this one. What happened here? Camera glitch? Memory card? None of the other photos seem to have had this happen. Something to worry about?

Later on in the night, this camera gave an 01 Error saying it can't connect with the lens. I took the lens off and put it back on and it never reoccurred. Has been fine since.

5D Mk III, 24-70 2.8 II, 600EX RT on ETTL.


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Mike ­ Deep
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Sep 03, 2013 00:11 |  #2

It's file corruption without a doubt. You'll need to narrow it down to the card or card reader.


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tonylong
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Sep 03, 2013 00:25 |  #3

Hey, troubleshooting is "fun"!

Start out with a new card, new card reader, new USB cable, and if one of those don't "fix" it, a USB port or the camera, it's a step-by-step process! Replace one thing and rigorously test, if it crops up again replace the next thing!

I have had cards go bad, replace the card and no problem, but it could be one of the other things as well!


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pstyle1
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Sep 03, 2013 00:34 |  #4

Well it hasn't happened again (yet), so hopefully just a one off.


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ebann
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Sep 03, 2013 07:32 |  #5

pstyle1 wrote in post #16263152 (external link)
Well it hasn't happened again (yet), so hopefully just a one off.

Hope your job doesn't depend on its reliability...


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pstyle1
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Sep 03, 2013 08:14 |  #6

ebann wrote in post #16263682 (external link)
Hope your job doesn't depend on its reliability...

You have opened up me eyes. Thank you. I will now go and purchase new cameras, new memory cards, new cables and new readers. Maybe even a new computer! This is a must since about 0.01% of the files produced by this set up was corrupt.


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Shake ­ N ­ Vac
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Sep 03, 2013 08:55 |  #7

I have a memory card that has just started doing that to the odd RAW file here and there. I shoot with the camera set to JPG+RAW though so have (so far) always had the JPG of any corrupt RAW files.


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kfreels
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Sep 03, 2013 08:59 |  #8

Are you reformatting the card on a regular basis, or just deleting and writing new files?


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Mike ­ Deep
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Sep 03, 2013 09:05 |  #9

pstyle1 wrote in post #16263771 (external link)
You have opened up me eyes. Thank you. I will now go and purchase new cameras, new memory cards, new cables and new readers. Maybe even a new computer! This is a must since about 0.01% of the files produced by this set up was corrupt.

This is not a professional approach.

File corruption can signal a failure with the card. If you're like most people these days and shoot with a single, sizable card, this is your warning to avoid catastrophe. It's in your best interest to determine the culprit before you lose an entire shoot.

If the problem image appears fine in camera, it's the reader. If it's messed up in camera, it's the card. The latter could really screw up your day.

There are other potential culprits, but they are far less likely and not worth diagnosing if the card is fine.


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SkipD
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Sep 03, 2013 09:10 |  #10

ebann wrote in post #16263682 (external link)
Hope your job doesn't depend on its reliability...

pstyle1 wrote in post #16263771 (external link)
You have opened up me eyes. Thank you. I will now go and purchase new cameras, new memory cards, new cables and new readers. Maybe even a new computer! This is a must since about 0.01% of the files produced by this set up was corrupt.

You're apparently being sarcastic here, but IF your job depends on the equipment performing properly (such as when photographing weddings that cannot be re-done), then you should definitely have backup equipment on the job site in case something fails.


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seanp3
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Sep 03, 2013 09:11 as a reply to  @ Mike Deep's post |  #11

The only time I've seen this it was from a bad memory card.




  
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Scrumhalf
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Sep 03, 2013 09:14 |  #12

Not to mention the fact that even if you could live with a 0.01% dud rate in your shooting, the "glitch" could be a harbinger of worse things to come, like the card becoming unreadable. Maybe you can absorb a 0.01% fail rate, but what if you have 500 photos and then the card becomes unreadable?


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cdifoto
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Sep 03, 2013 09:18 |  #13

Pretty sure OP's point was simply that he isn't going to freak out and abandon all his equipment...


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amfoto1
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Sep 03, 2013 10:53 |  #14

The only times I've seen a problem like this it's either been connectivity between the card reader and the computer, or it's been a problem with the hard drive in the computer.

Have you changed anything lately? I had similar corrupted files (a lot of them), when I tried connecting a card reader through a USB hub. When I connected it directly to the computer instead, the problem went away.

Another time, it was a brand new hard drive, something went wrong during installation and the problem was resolved by re-formatting the drive. All images stored to it since have been fine. But there were some losses.

I have never had a memory card "go bad", despite some of them being in use for almost ten years now. Maybe I'm just lucky. I have read of ways that cards can deteriorate. But they are solid state (no moving parts), so there isn't a lot to go bad over time and with use. I do format each card in-camera before each use.

I have had one memory card that was bad right from new. The first batch of images shot on it were only partially retrieved, then the card locked up completely and was entirely unusable. It was used quite normally... formatted in camera before use and downloaded in the normal way. No other cards handled exactly the same way before or since have given any problems at all, so it's a pretty sure bet it's a "bad card".


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RTPVid
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Sep 03, 2013 12:04 |  #15

pstyle1 wrote in post #16263092 (external link)
Going through and culling photos from a wedding and ran across this one. What happened here? Camera glitch? Memory card? None of the other photos seem to have had this happen. Something to worry about?

Later on in the night, this camera gave an 01 Error saying it can't connect with the lens. I took the lens off and put it back on and it never reoccurred. Has been fine since.

5D Mk III, 24-70 2.8 II, 600EX RT on ETTL.

As others have said, this is a corrupt file.

Where were you reading this from?

If from the hard drive, the file is corrupted on the hard drive.
If from the memory card, the file is corrupted on the memory card, although the corruption may be due to the card reader.
CHIMPing the image on your camera does not mean the file on the memory card is good, since the image preview is a derived image. IOW, you aren't looking at the larger image file directly.

I would recommend that you determine where the file is corrupted, and if it is on your memory card, throw the card away. If it is on your hard drive, make sure you have everything backed up and then run a complete drive check, perhaps even replace the drive. File corruption is many times the "canary in the coal mine" for a general failure impending.


Tom

  
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What happened here? Weird camera glitch.
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