Posterization problem with 550D

Started Mar 1, 2011 | Discussions thread
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Ghent Jones
New MemberPosts: 7
Posterization problem with 550D
Mar 1, 2011

hello everybody !

Since I have my 550D, I've noticed some posterizaton, sometimes very visible, mainly in deep blue skies. I had never noticed such important posterization with my 350D, so I was wondering wheter it could be a problem from de sensor ?

I mainly shoot in JPEG fine, so I've tried to shoot RAW but it doesn't fix totally the problem. I use a F2380M screen (non calibrated) but tried 3 others monitors with the result.
I've already updated the firmware. Have you experienced the same problem ?

Here are some examples (original JPG and raw):

-- hide signature --

> bad sensor ?
--> bad screen calibration ?
--> JPEG artifacts (but why are the shots from de 350 correct ?)

Thanks a lot for your advices

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