I made tons of BW glossy prints for 25 years, some contact prints
and used loupes on them. The good glossy paper was not that crude in
resolution
even after development. I have some contact prints made from 8x10 negs
that the details look really sharp even under a loupe, way beyond human
naked eye
vision in the range of 300dpi. The maximum paper resolution was not
always an issue.

JC O'Connell (mailto:hifis...@gate.net)
"Honesty is the first chapter in the book of wisdom" - Thomas Jefferson


-----Original Message-----
From: pdml-boun...@pdml.net [mailto:pdml-boun...@pdml.net] On Behalf Of
William Robb
Sent: Friday, May 22, 2009 10:47 AM
To: Pentax-Discuss Mail List
Subject: Re: K20D as Scanner



----- Original Message ----- 
From: "JC OConnell"
Subject: RE: K20D as Scanner


>I aint buying it, quality glossy BW (wet) photo paper did  better than 
>12 dots/lines per mm. (300dpi) 300 dpi is  near the limit of human 
>vision, the wet paper was way better  than that. It wasnt marginal.

Whatever.
I've copied thousands of old prints.
I know what I'm talking about.

William Robb 



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