user controlled D800 hot pixel remapping: details

Started Aug 16, 2013 | Discussions thread
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Bernard Delley
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user controlled D800 hot pixel remapping: details
Aug 16, 2013

Good news: I just learned that hot pixels can be removed by a user controlled remapping procedure: just run sensor clean manually twice in immediate succession.

I have not seen a mention of this in the camera manual.

This hint is due to AllOtherNamesTaken http://www.dpreview.com/forums/post/51985241

The procedure remaps hot pixels which are stronger than ~1000 raw camera units at ISO 1600 and 1/5s .

All bright pixels (hot are bright which should not be bright) are automatically, and not under user control, treated by Nikons HPS algorithm: http://www.dpreview.com/forums/post/50874784

Hot pixels are produced at rates of 0.x to tens per year, and especially on intercontinental flights (worth about 100days at sea level) by the ubiquitous highly energetic cosmic rays. See also http://www.dpreview.com/forums/post/37150608

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