Archived posting to the Leica Users Group, 2003/07/16

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Subject: RE: [Leica] Scanning slides
From: "Clive Moss" <chmphoto@sbcglobal.net>
Date: Wed, 16 Jul 2003 19:36:34 -0500

The resolution you need to scan at is whatever it takes to get 150 to 300
dpi at the printed size. So, if you scan a 35mm image (1x1.5 inches roughly)
and want to print an uncropped 10x15 inch image, you need to scan at 1500 to
3000 dpi.
What I do not know is the equivalence of "dpi" between film and flatbed
scanners. I have always had the feeling that the 2800 dpi or so mid market
film scanners are better for film than the 2400 or 3200 dpi flatbeds -- but
I cannot say for sure.
I am posting this not as a final answer, but looking for confirmation from a
scanning guru. It is a question posed as a statement.
- -- 
Clive
http://clive.moss.net

> -----Original Message-----
> From: owner-leica-users@mejac.palo-alto.ca.us 
> [mailto:owner-leica-users@mejac.palo-alto.ca.us] On Behalf Of khmiska
> Sent: Wednesday, July 16, 2003 9:57 PM
> To: LUG
> Subject: [Leica] Scanning slides

> 
> Question - should I scan at still higher resolution? If so, what res?
> 

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