Hi, On 17.01.2018 11:31, Daniel Glöckner wrote: > May I suggest that you capture something of known colors, by pointing > the camera at a monitor displaying this?: > http://www.avsforum.com/photopost/data/2224298/0/04/04d8edc6_8bit_full_grad_color.png > > The colors will of course be off by a bit, but it should still be > possible to guess how the RGB primaries were mangled. yes that's a good idea. The result with original and camera view side by side looks like this: http://www.kernelconcepts.de/~florian/screenshot.png Its not really obvious for me what is wrong but these wraparounds Philipp mentioned are really nice to see within the bars. Greetings Florian -- The dream of yesterday Florian Boor is the hope of today Tel: +49 271-771091-15 and the reality of tomorrow. Fax: +49 271-338857-29 [Robert Hutchings Goddard, 1904] florian.boor@xxxxxxxxxxxxxxxxx http://www.kernelconcepts.de/en kernel concepts GmbH Hauptstraße 16 D-57074 Siegen Geschäftsführer: Ole Reinhardt HR Siegen, HR B 9613