I just noticed a very disturbing issue on (actually all) my leaf aptus 75 files.There
is a sharp color shift/contrast change across the vertical middle line of the images. It is noticable in very bright zoes and even more so in very dark zones.
When looking at the Aptus 75 sensor it becomes apparent that it consists of two equally big parts which are joined together veritically. Is it possible that the color shift stems from this sensor design issue? Actually, I should add that this color shift occurs on all my files, sometimes worse and sometimes less noticable, independent of whether I capture the images with my ALPA SWA (with Schneider Digitar lenses, 24mm and 47mm) or with my Hasselblad H1 using various lenses. I uploaded two (very big) jpgs, which show this ugly effect, on my pbase page: www.pbase.com/markowich
in the gallery entitled : leaf_aptus_75_test. To see it clearly, look for the vertival middle line of the images.
Both files were converted to jpg using ACR (please believe me that the colorshift also occurs when converting with Leaf Capture!!!), no postprocessing done.
I would be grateful for an explanation and for a (software?) fix, or for advice on how to proceed further. In particular, a response of Jair, who has been very helpfully active on this forum would be highly appreciated. Of course I can provide
the original RAW files via ftp.
With best regards, Peter Markowich