Hi, Jim and all.
> How are the noise levels on the E-20? On my E-10, it can get pretty
>nasty at ISO 320 for time exposures. I've heard there is some noise
>adjustment algorithms in the E-20 to reduce the noise.
Noise is a common problem in CCD time exposures. Obviously, choosing a
higher ISO setting makes that noise quite noticeable -- it just increases
gain.
CCD noise is caused mainly by heat. Those used in astrophotography have
cooling devices to overcome this problem.
...
Carlos Santisteban
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