uh oh, is this a dead pixel in my T2i?

Babu said:
The dust removal is done via the new sensor cleaning option that takes place when you shut down the camera. In older cameras you just use a dust blower to get the dust out. You can also do this for newer cameras if the dust is a lot. The dead pixel remapping is something I learned once the T1i came out last year as I had 4 dead pixels and didn't want to go through the headache of shipping and dealing with Canon for a $800 camera. It's nice to know about this technique especially as pixels can run hot as a result of shooting at High ISO speeds for a long period of time.
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I'm still a bit confused about what exactly initiates the dead pixel remap? Is it the manual dust removal command that also triggers the dead pixel remap?
 
shaocaholica said:
I'm still a bit confused about what exactly initiates the dead pixel remap? Is it the manual dust removal command that also triggers the dead pixel remap?
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I understand your question now. I'm not sure what the technical process is I just know when doing the sensor cleaning you need to put the body cap on the camera. So it's like a black balance if one could say. It's triggered by the manual sensor cleaning command.
 
Babu said:
Paul place the body cap on the camera. Go to M picture mode. Go to menu and look for sensor cleaning. Choose clean manually. Hit ok and wait 30 seconds. Then resume regular use. It will get rid of the dead pixel.
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DVXuser for the win! How'd I guess that a Google search would lead me right back here?

Anyone else experience this issue with their T2i (or similar camera?) lately? I got a red pixel when shooting at 1600 ISO in a low light situation. Seems to be gone now.

Sucks that this happens, but then again many of us are using these cameras beyond the limits they were designed.
 
I had white dot in the centre,i did manual cleaning with lens and cap on my 550D and it helped,dot disappeared ,i thought it was dead pixel and you cant do anything about it because i have similar on my old camcorder but i guess it is possible to fix that cause i dont see it right now and im more happier.
Iregret that i didnt did that long time ago cause i have this dot on some vids and photos.
 
this cleaning/remapping might work on a T2i but it doesnt work on the 5DmkII and is well documented that it wont work on the 5DmkII for video. it does work if your just shooting pictures though.

if you ever get in a jam and cant fix hot or stuck pixels here is a plug that works effortlessly.

"BCC Pixel Fixer"

i was going to send my 5DmkII in for a repair (out of warranty) but decided to just use this instead.

on an 8 core Mac Pro this plug in works in real time if there is only "one" layer. if i have more than one layer then this plug will cause a little bit of choppiness. my files are converted from H.264 to XDCAM EX.

the easiest thing to do i wait until your edit is done then apply this plug in one sweep to all the files.

david
www.davidprobst.com
 
I can't answer for the 5D but I have used this technique on my T1i, T2i, and 7D. All worked like a charm.
 
Manual Sensor cleaning worked on my new T2i that had a very visible red hot pixel in both stills and video. Looks great now. :dankk2:
 
This fixed my T2i as well

This fixed my T2i as well

I have a T2i and had a RED pixel on all of my videos and still photos. This manual sensor cleaning (pixel remapping) resolved the issue. And I was just about to take back my camera to the store. Thanks all!

-matt
 
Thank you very much for this solution Babu. I just discovered a very noticeable dead pixel on my t2i tonight and was very upset seeing that i just bought it a few days ago. I had pretty much accepted that i was gonna have to return it. Thanks for the relief!
 
mcdoogle22 said:
Thank you very much for this solution Babu. I just discovered a very noticeable dead pixel on my t2i tonight and was very upset seeing that i just bought it a few days ago. I had pretty much accepted that i was gonna have to return it. Thanks for the relief!
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You're welcome! Welcome to the forum as well! :beer:
 
Has not come back on my camera. But that does not mean that another pixel might go bad in the future. I know may older pro CCD camcorder had a function to map new dead pixels and mask them. The T2i seems to do something like that, even though they claim only an factory service center has the tools mask dead/hot pixels.

Dead or Hot Pixels may come from Cosmic particles and randomly hit any camera.
It's not just a flaw from the factory. All sensors have flaws, they just mask the bad pixels at the factory.

Here's an older article I found on the web about CCDs and this issue: http://www.jai.com/SiteCollectionDocuments/Camera_Solutions_Application_Tech_Note/TechNote-TH-1087-CosmicRays.pdf

I think this is still the case for the newer CMOS sensors as well.
 
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Also a new member and just wanted to say thanks for this fix. Worked on my T2i I just received in the mail yesterday. Sorry to bump an old thread.
 
I've also come across this thread after finding 2 hot pixels after my camera overheated...

I've never had overheating issue's before.. but I can see on my material that the hot pixels occurred around the time of the camera overheating...

I did a gig today shooting about 10 x 30 min interviews and by the 3rd interview I had issues with overheating...

The first 2 interviews there are no hot pixels...

Fortunately they have appeared on the edge of the frame so I can probably get away with it...

Cheers
 
Lez said:
...Fortunately they have appeared on the edge of the frame so I can probably get away with it...

Cheers
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Why don't you fix it with the remapping technique instead of leaving them there? Only takes 45 seconds. :thumbsup:
 
Babu said:
Why don't you fix it with the remapping technique instead of leaving them there? Only takes 45 seconds. :thumbsup:
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I'm not sure of the re-mapping technique at this stage... what's the process...???

I'm just starting to edit through the material and lift out the better takes...

Cheers
 
Lez said:
I'm not sure of the re-mapping technique at this stage... what's the process...???

I'm just starting to edit through the material and lift out the better takes...

Cheers
Click to expand...
From post #11 in this thread: "Paul place the body cap on the camera. Go to M picture mode. Go to menu and look for sensor cleaning. Choose clean manually. Hit ok and wait 30 seconds. Then resume regular use. It will get rid of the dead pixel."
 
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