In-camera processing of long-exposure RAW data

Started Jan 21, 2010 | Discussions thread
rhlpetrus Forum Pro • Posts: 25,950
Re: Yes - all models since D70

ejmartin wrote:

Marianne Oelund wrote:

It seems that the D90's RAW, for example, at all ISO and speeds, has soem extra black clipping applied, compared to the D300/s. Have you tested that (I think Gabor did some work on it)?

I haven't looked at the D90. The D300 in 12-bit mode does clip a few DN above zero, but it behaves well in 14-bit mode.

See the last link in my initial post here:
The D90 does hot pixel NR starting at 1sec.

I don't see what black clipping has to do with it, since the filter is applied to all tonal levels, not just those near black.

These are two different issues, if I understand them well, but it seems both already applied when RAW file is produced.

The point is that Nikon seems to be doing too much signal manipulation before it writes it to the RAW file.
OnExposure member

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