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Digital BW, The Print

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RE: [Digital BW] Re: B+W Scans from RGB Scanners

2009-01-08 by Eric Neilsen

I have done a bit more research on this and I think that the %s given might
be old hat. The speed at which information changes from books, articles,
even internet blogs, can be inaccurate. I checked with another source and a
more current conversation indicates a  reduction based on HSL; Hue
saturation and Lightness. 

 

And with all the programs that are active; CS 1-4 and before it is quite
possible that many answer will remain correct. I pointed this out about
internet information in a previous thread and one member took great offense.
But it remains a real aspect of the digital information and digital
processes. The actual conversion is going to be an elusive answer unless
some can get Adobe to post it for specific version unless that information
is in Freeman's book. 

 

Eric Neilsen

4101 Commerce Street, Suite 9

Dallas, TX 75226

214-827-8301

 

www.ericneilsenphotography.com

SKYPE ejprinter

 

From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of Dana H.
Myers
Sent: Thursday, January 08, 2009 10:56 AM
To: DigitalBlackandWhiteThePrint@yahoogroups.com
Subject: Re: [Digital BW] Re: B+W Scans from RGB Scanners

 

Louis Dina wrote:
> 


According to _mastering black and white digital photography_ (
http://www.amazon.com/Mastering-Black-White-Digital-Photography/dp/157990707
5 ),
Photoshop uses 30% red, 59% green and 11% blue, which jives with
the 30/60/10 number. Desaturate gives equal weight to all the channels.

Dana

.

Image removed by sender.
 



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