Re: Medium format scanners
Re: Medium format scanners
- Subject: Re: Medium format scanners
- From: David Scharf <email@hidden>
- Date: Thu, 27 Oct 2005 01:28:28 -0700
Ernst & Roberto,
The 4990 has a 4800 ppi optical resolution, not 2400. For $599 with
SilverFast Ai software, its one of the best deals out there (for my
purposes anyway). If your scanning 35mm, get a dedicated scanner. If its
127, 120, 6x9, 4x5, up to 8x10, this is a great little scanner. Talking
about negs and transparencies here. You may occasionally have a problem
with a very dense neg, since the Dmax is only 4.0, but it handles all of
my S.E.M. images on Plus-X or FP-4 so far; and these can have very
troublesome highlites. Unfortunately, I'm still scanning and doing a lot
of my graphics in OS 9. (New G5 some day).
Regards,
David
DAVID SCHARF
Scanning Electron Microscopy
Ernst Dinkla wrote:
Roberto Michelena wrote:
2) dedicated med-format film scanner: Nikon 9000, Minolta Dimage Multi
Pro, Microtek Artixscan 120tf (previously Polaroid)... any others
under $2k ? which is people's favorite? Is the Dimage Multi Pro still
around, or discontinued?
6x9 will be 56 x 83 mm on the Nikon 9000 with the normal carriers and
a bit larger with the rotatable glass carrier. If that's enough I
would recommend that model but get an additional wet mount carrier
with it to get the best quality possible. 3800 true optical resolution
and enough Dmax + Dynamic range. ICE etc in the software. Hardly any
sharpening needed after the scan. With the wet mount carrier it will
be a bit above 2000 $.
3) high-res flatbed scanner: Epson, Canon, Microtek... any of these is
a worthy contender?
The Epson 4990 but also with wet mounting methods on a separate glass
sheet. Masking to avoid flare is a must. The optical system has a lot
of DOF but the scans need sharpening afterwards so it is important to
find the optimal focus within that DOF. It should be on 1 mm above the
glassbed but it may not be that precise on the scanner you buy. There
are other issues with this scanner so checking the Epson scanner
mailing lists on Yahoo is wise. Yes, I know that this advice doesn't
sound encouraging. But at a price of 500 $ you get a flatbed that will
deliver about 2400 PPI true optical resolution with the right measures
taken.. Fast, ICE etc aboard + it can scan up to 8x10 inch.
I'd appreciate opinions... also horror stories, which if constant and
common mark a trend.
In general, has desktop technology evolved that much so that these
"under $2k" scanners will be as good as (or better?) than a Scitex
Smart?
Don't know the Smart quality but much has changed since, especially in
the matrix CCDs used today to give higher sampling rates while Dmax +
dynamic range will not suffer because the well size isn't decreased.
--
Ernst Dinkla
www.pigment-print.com
( unvollendet )
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