Got it from a friend: open in gimp as raw, indexed, offset 768, size 640x400, color map the same image again. then set the whitepoint in the color levels to 64. done. hth Martin On Sat, 25 Dec 2010 15:53:46 +0100 Martin <debian-user-ml@jesterweb.de> wrote: > Hi folks, > > ich have stumbled upon some images in kcf-format from the early 1980s. > Do you know any way to view or convert them? > > Thanks in advance > Martin > >