Digital BW, The Print

At 15:02 +0100 24.5.2005, Steve Kale wrote:
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>I know that there is a quality difference between 8 and 16 bit for
>black and white.

Humans recognize about 150 different greys. But problem is, they 
recognize them on full picture and on small detail too. So 8 bits 
(256 greys) is not enough for smooth BW picture.

> In short, the view was that while 16 would be
>better, 12 was ok.

Check www.hutchcolor.com -> Cool -> HDR Cameras. You will see that 32 
bits is optimal - compare with new CS2 Photoshop. :)

Martin
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