I'm a technology journalist and photgrapher who has a LOT of
experience in digital imaging technologies, especially the path
from image to large format digital output.
I'll be doing a series of test prints off my Epson 7500 with the
Nikon shortly, but in the meantime here's my thoughts.
Simply put the 6mp sensor in a D1x cannot come close to the
resoution of data pulled off a good 35mm transparency on a 4000 dpi
desktop scanner such as the Polaroid Sprintscan and Nikon Coolscan
8000 (both of which I have and use constantly.) Even more the 6mp
isn't going to scratch what one could pull off a piece of 6x45 or
higher film on one of those scanners. My polaroid routinely makes
300mb scans, when a 24x36 print doesn't need that much data. I
could easly output at the sizes you mention.
(Yes there are programs like Genuine Fractals that will help
upsample smaller files, but it's still not 30x40 worthy, and
certainly not gallery quality.)
Already I've done 13x19 prints off the Nikon D1x with good results,
but not as great as the results of my scans of Provia 100F. Keep in
mind the D1x is intended with the photojournalist in mind, a person
who needs to only meet magazine resolution. For newsprint folks
that might be a very low linescreen. Even the double page spread in
sports illustrated was smaller than 13x19 (if i'm correct) and
printed in CMYK which loses some of the RGB colors anyhow.
If you're doing gallery work, you really need to look at medium
format solutions for your digital work, or really high resolution
scans of your film. The Kodak professional back for Hassys is a
great example of a gallery quality back, though it costs $20,000.
(An amount a fashion photograph can make up in saved film costs and
reshoot fees in relativley little time.)
As to the longevity of output, the Epson line of archival printers
(2000P, 7500 and 9500/10000) have a tested print life of 200
years+. The gamut is amazing, and after learning to use photoshop I
closed down my home darkroom and never looked back.
The epson 7500 costs about $5000 without the RIP (not really needed
for the size of the images) and produces 24x36 prints, at a cost of
about $3 for that 24x36 image, inclusive of ink and paper, not
including things like electricity or paying off the damn printer.
The epson 9500 costs about $7500, with about the same
per-square-foot costs.
Epson papers come in a variety of textures, including glossy,
matte, luster, etc. A nice thing about the epson printes is that
you can output to specialty papers like watercolor paper, vinyl,
etc.
Here's my workflow. Shoot off either F5 or Mamiya 645. Scan images
on 4000 dpi scanner (about $5k). Touch up in photoshop. Print on
Epson 7500. Drymount.
The speed of digital work lets me run circles around most
darkrooms, with the advantage taht once an image is dialed in, I
never have to go back and reset my darkroom to do a print. Or worry
about variations in chemical temps. It's wonderful.
Anyhow, hope that addresses your questions. I'll let you all know
when I do the large format output tests.
D
The method and a very small cropped area of the print can be seen at:-
http://www.carolsteele.btinternet.co.uk/test/test.html
Hope that helps
I am currently using the F100 film SLR and producing prints up to
40x60 inches although most of my prints are produced in 30x40inch.
It's produced as art images for sale in galleries. I am wondering
if to go digital. I have not yet seen anything from the D1 or D1x
in those print sizes. Has anyone tried to produce so large prints
from these digital cameras and what was the result like compared to
film.
Currently I use traditional enlarger, Fuji roll paper and
traditional color process. Which digital printers are available if
any at reasonable cost that can produce similar quality prints as
the traditional process? Also I hear that the ink does not last,
are there any new digital processes out there that lasts more than
a few years?