Default Defy camera problem

I have a problem with my camera..in the stable cm7 version, the camera shots were very foggy and the quality sucked..i have that same problem in cm9..what do you expect the problem is?..but i think my autofocus is not correct...focus is not extract.any way to calibrate that?
And the camera pic quality was great in a particular cm7 nightly.
Solutions please.... :(

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Nokia n70
Motorola defy (Hard bricked)
Sony Xperia Z


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