K20D, don't like cold temperatures?

Started Nov 15, 2008 | Discussions thread
ManuH
ManuH Veteran Member • Posts: 3,898
Re: K20D, don't like cold temperatures?

Philippe Leroux wrote:

so yes my previous post with the picture that doesnt have the same
explicit noise banding, is clearly subject to the same problem

Interesting, they maybe related in some way but the very regular banding that we noticed is appearing at ISO 100 not at some ISO 3200 or higher. I can expect some kind of banding in these very high ISO, but at ISO 100 it is not acceptable and is a clear defect.

Also, as I said in the Pentax forums, a firmware update may be able to fix it because it's just bands of 2 pixels that are darker or brighter than the next 2. A Photoshop filter could probably do it too.

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Manu

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