[Digikam-users] converting Pentax RAW problem

Sebastian Kraft sebastian_kraft at gmx.de
Fri Jun 8 13:49:42 BST 2007


Martin Schmettow wrote:

> Hi Sebastian,
> 
> when you load a raw image directly with the editor the gamma is not set,
> meaning that the original linear curve of the cameras sensor is used.
> You can either shape the lightness correction curve to a convex form
> (last tab in the CM dialog). Or, which is easier,  use the
> Lightness/Contrast/Gamma filter afterwards and set the gamma to a value
> usually between 1.8 and 2.2. You may have to enhance the contrast
> afterwards. Find your raw image with gamma=2.2 and contrast=80 here:
> 
> http://www.flickr.com/photo_zoom.gne?id=535788069&size=o
> 

Ok... I know... I can adjust gamma, contrast.. but the result is far from
acceptable.
This is how the simple preview JPEG looks like:
http://www.hey-you-freaks.de/photo/digikam_preview.jpg
And even this is ways better than anything digikam gives me. 

there must be some other way?

Sebastian





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