Hi,
   I am considering upgrading the graphic card in my computer. I have
   read that most of the 32-bit graphic modes are in reality 24-bit
   anyway, but that some cards offer true 32 or 30 bit colour modes
   (e.g. Matrix Parhelia). Does anybody please know more?

   1) is there an advantage in working in 32 or 30 bit mode? I mean,
   it affects only the display of the image (I often work with RAW
   files which have more colours than 24 bits JPGs). Is it helpful in
   some way, is the image more truthful or easier to edit?

   2) what cards have this support? I am mainly considering an older
   cards, as I don't need any superb graphic workstation cards in
   order of 1000 Euro, nor do I need a fancy 3D acceleration - I don't
   play games, or if I do, they are emulated ZX Spectrum ones <g>).

   thanks

Good light!
           fra

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