Digital BW, The Print

I really must differ on that.

Since B&W film printing is based on the premise that there are 128 shades of
grey plus black and white (and your 150 shades certainly fits there), 256
shades is certainly adequate.

If we stay away from those that want to use a loupe, or look at a 16x20 from
6" away, we surely accomplish with 256 what was done by the old masters with
130 shades.

Seth

==-----Original Message-----
==Behalf Of Martin Sluka
==
==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.

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