Digital Rebel XT Pattern Noise Problem at DVinfo.net

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Old October 30th, 2005, 11:52 AM   #1
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Digital Rebel XT Pattern Noise Problem

Noticed this today after getting the camera. Very bad pattern noise (which all the reviews said was eliminated!) with ISO 800 or 1600. Check it out:

http://www.mooreusa.net/pictures/lines.jpg

This was taken at ISO 1600. This is annoying enough for me to take the camera back. I had the original Digital Rebel and never had a problem at 1600 (it was grainy, of course, but no pattern noise like that).

Basically EVERY picture I take at ISO 1600 has this pattern.

Defect? Normal?

Thanks.
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Old November 1st, 2005, 11:56 AM   #2
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Can anyone at least verify that this is NOT normal?
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Old November 11th, 2005, 03:16 AM   #3
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I can try on my own XT, but the highest ISO levels always introduce a lot of
noise. No way around it. However, you can set the digital noise reduction on
in the custom functions!
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Old November 11th, 2005, 06:35 AM   #4
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Thanks for the reply Rob. It is not normal. I checked with Canon, sent then the picture and they confirmed this. I replaced the camera, and it is fine. Yes, lots of noise at ISO 1600, just like there would be with 35mm film, but not in a pattern.
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Old November 12th, 2005, 03:18 PM   #5
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Quote:
Originally Posted by Peter Moore
Thanks for the reply Rob. It is not normal. I checked with Canon, sent then the picture and they confirmed this. I replaced the camera, and it is fine. Yes, lots of noise at ISO 1600, just like there would be with 35mm film, but not in a pattern.

There is a great little program you can buy that will get rid of noise in pics shot with a high ISO---its called Neat Image.
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Old November 21st, 2005, 03:33 AM   #6
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So it seems you got a new body that solved the problem Peter? That's good news!
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Old November 21st, 2005, 07:52 PM   #7
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Quote:
Originally Posted by Peter Moore
Thanks for the reply Rob. It is not normal. I checked with Canon, sent then the picture and they confirmed this. I replaced the camera, and it is fine.
Did they replace the camera under Canon warranty, or what? I just noticed similar banding on my high-ISO files the other night and was going to just ignore it for now, but if it's a fixable problem I might as well find out what my options are.
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Old November 21st, 2005, 08:00 PM   #8
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I replaced the camera at the store. Problem was gone.
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