Re: High Resolution Scans
Re: High Resolution Scans
- Subject: Re: High Resolution Scans
- From: MARK SEGAL <email@hidden>
- Date: Fri, 18 Apr 2008 05:45:45 -0700 (PDT)
Please see below IN CAPS for distinction.
Mark
----- Original Message ----
From: Jim Mowreader <email@hidden>
To: Mark Segal <email@hidden>
Sent: Friday, April 18, 2008 8:35:59 AM
Subject: Re: High Resolution Scans
The resolving power of ANY film is determined by the lens you use and by the
grain of the film.
NO, THE RESOLVING POWER OF FILM DOES NOT DEPEND ON THAT OF THE LENS. SEPARATE ISSUE, BUT CLEARLY IMPACTS RESULTS.
We of course know all about film grain--and the bigger you go, the more
objectionable it is.
WHENEVER I SEE 'WE OF COURSE KNOW ALL' IT IMMEDIATELY SENDS SIGNALS THAT PERHAPS WE DON'T. PLEASE RE-READ 'CLUMPS AND CHUMPS' (ARTICLE I REFERENCED PREVIOUSLY) AND THEN REPORT ON WHETHER YOU CAN ISOLATE A CLEAR RESOLUTION NUMBER FOR NON-LINE-CHART PHOTOGRAPHS.
HOWEVER, given all that...if you take a nice sharp properly-exposed and
properly-processed 4x5 shot on Fuji Velvia film, put it in your Hell
Chromagraph S3900, and scan at the machine's highest resolution of
11,000dpi, you will be presented with a beautiful image that very few of you
would ever want to deal with...basically, thirty feet long at 150dpi.
SO WHAT?
AFTER ALL THAT, PLEASE - CAN YOU TELL THE O/P WHAT IS THE OPTIMAL SCAN RESOLUTION FOR 4*5 VELVIA?
--jmowreader
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