Archived posting to the Leica Users Group, 2007/01/28
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Hi Ed, Thanks for the link. I will give it a try. I have been using Photoshop CS2 to process my RAW images from the camera. Could that be part of the problem? I didn't think to use the bundled software for anything. I'll check out the c1 profile and see if that helps. Cheers - Jim On Jan 28, 2007, at 4:55 AM, Eduardo Albesi wrote: > Jim, > > There has been a very extensive and illustrative discussion about > all this issues on the International Leica Users Forum, which is > sponsored by Leica themselves. It led to two very important > conclusions and associated solutions. > > First, the increased IR sensor sensitivity is responsible to the > magenta cast, as it is very known, but that it also contributes to > most other blooming and streaking and banding phenomena seen with > this camera. As saying that blown up highlights are blown up > actually by both the visible light in excess AND the near-IR that > adds to the overcharging of the sensor region involved in the blown > up areas. > > Second, that the factory color profile shipped with the camera and > used by CaptureOne but also by the rest of the software that relies > on ICC profiling is absolutely off, introducing all sort of color > artifacts and inaccuracies in the images. So one of the members, > Jamie Roberts, has developed a couple of new profiles much more > accurate in terms of color reproduction and capable of correcting > to a high degree the 'magenta cast' due to IR contamination, meant > to be used without the IR-cut filters. > > So, just as a Sunday test before starting to pack the camera for > returning it to the dealer, go to http://www.leica-camera-user.com/ > digital-forum/9637-new-m8-profiles-c1-instructions.html download > the profiles and read the instructions about how to install them > and give the camera a second chance. > > If you knew already all this, sorry for the verbosity. > > Best, > > Ed