Το λάθος στο photoshop διορθώθηκε ) ανακάλυψα μια καλύτερη μέθοδο για RGB σύνθεση First you need to convert your R, G and B images to monochrome using Image->Mode->Grayscale. Then, say your R image is your base. Select your G image, Ctrl-A, Ctrl-C (copies the whole image). Go back to your R image, click on "Channels" (bottom right hand side in the layers pallete), click on the Green channel (not your green image) and Ctrl-V (paste). Now you have the Red channel and Green channel in your "R" image. Now go to your B image, Ctrl-A, Ctrl-C (as before). Go back to your R image, click on "Channels", click on the Blue channel and Ctrl-V (paste). Now you have the Red, Green and Blue channels in your "R" image. Click on "RGB" and it will show you the colour image. πηγή http//www.cloudynights.com/ubbarchive/showflat.php/Cat/0/Number/1905477/page/16/view/collapsed/sb/5/o/all/fpart/1