Canon 5D MkII Hot Pixels

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goldenstar

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Is this anything to worry about? I have about 6 or 7 hot pixles that show up as red on night time shots.

I know its not a lot, but is it worth returning to canon for repair?

Camera is only 3 month old.

Cheers
 
there is a trick that some people say works, others don't, but it worked for me:

1) put the lens cap on.
2) go to a darkened room (so no light leaks in the viewfinder)
3) stick the camera in manual sensor cleaning mode
4) wait 30 seconds
5) turn off camera

this seems to re-map them so they don't appear. i had a couple of hot pixels on my 550d and this procedure completely cleared them all.

give it a try.

but still, 7 hot pixels out of 21 million aint bad!
 
Thanks folks - yeah 7 out of lots more aint bad, just wondered if its worth going back to Canon as its still under warranty.
 
Would that work for a 1Ds? I have a few 'ot ones I fancy getting rid of.
 
Yes ACR does, however I was just worried incase it was something that needed fixed in camera.
 
I know that - As stated above ACR in PS does it. But I just wanted to know if people thought it would be worth getting it sorted.
 
cuthbert said:
there is a trick that some people say works, other don't, but it worked for me:

1) put the lens cap on.
2) go to a darkened room (so no light leaks in the viewfinder)
3) stick the camera in manual sensor cleaning mode
4) wait 30 seconds
5) turn off camera

this seems to re-map them so they don't appear. i had a couple of hot pixels on my 550d and this procedure completely cleared them all.

give it a try.

but still, 7 hot pixels out of 21 million aint bad!
Click to expand...

Why would sensor cleaning do this?would you not talk a long exposure so the camera can see where they are and map them out?
 
Got my sensor replaced as part of another repair. Now have zero hot pixels. I did have a couple of clumps though rather than odd ones.
 
goldenstar said:
Is this anything to worry about? I have about 6 or 7 hot pixles that show up as red on night time shots.

I know its not a lot, but is it worth returning to canon for repair?

Camera is only 3 month old.

Cheers
Click to expand...

It's quite common, and most unfortunate. You'd have to be very lucky to have a perfect sensor after a few months of usage.

At night, sensors get warm on longer exposures as it's extending the job it's usually designed to do; reality is less dramatic than it sounds. A warm white balance will make them stick out more than they usually do. Noise reduction in custom settings will cancel a few of them out, but will take double the time to process 'in-camera'.

All that aside, i would be concerned if the hot pixels were double what you had; anything up to about 7-8 is usually quite common; beyond that is normally through age or a real fault
 
you might need to do it a couple of times, i think it had to do it twice on my 500d. i can't really remember, but it certainly removed a stuck white pixel.

@trencheel303 - not sure - give it a try at let us know if it works!

@Chaz Photos - it seems a manual clean remaps the sensor - take a read here - other users seem to have found this works too - http://shmuliphoto.wordpress.com/2009/12/03/fix-hot-pixel-canon/
 
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