Digital BW, The Print

----- Original Message -----
From: "Austin Franklin" <darkroom@...>
To: <DigitalBlackandWhiteThePrint@yahoogroups.com>
Sent: Thursday, October 10, 2002 5:03 PM
Subject: RE: [Digital BW] Film for scanning was Re: The State of
PersonalScanner Technology

(snip)


> We humans can only see between 100 to 200
> distinct tones, but...as has been mentioned, you really need some larger
> number of tones to get smooth tonal transitions...though you can't
> "distinguish" them, they are still visible, and give that "smoothness" to
> the image.

Austin,

At least you finally agree you need more "steps" than the range divided my
the minimum discernable difference. You are making progress. <<G>> (Sorry.
Couldn't resist.)

>  Now, how many is debatable ;-)

I'll sit this round out <G> but if someone is looking for a doctor thesis
topic I am sure a value or range of values could be arrived at through
scientific investigation.

Martin Wesley
http://www.borderless-photos.de/guests.html