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Author
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Topic: Kodak Perfect Touch(?) What is it?
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Hillary Charles
Jedi Master Film Handler
Posts: 748
From: York, PA, USA
Registered: Feb 2001
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posted 10-10-2003 07:34 PM
From what I've seen, Kodak has come up with the digital equivalent of the old darkroom technique of "dodging and burning," adjusting exposure to various parts of the print to even out overall brightness.
With traditional machine prints, we try to discern the subject and print for that (usually faces light by flash). Something like that would render the background too dark to see anything, but the negative has recorded information in the background. Apparently with the new Kodak method, the negative is scanned and all the information is put on the print.
A customer asked us to match one of those prints (with our analog Fuji SFA printer). The picture in question was of two people in the shade--the background building bathed in sunlight. We printed for the faces, but couldn't not ALSO print for the background.
In theory, I like the idea, but like so much that is digital, I didn't like the overall color and detail of the picture. The faces on our prints looked much nicer, with better detail.
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Carl Martin
Phenomenal Film Handler
Posts: 1424
From: Oakland, CA, USA
Registered: Feb 2002
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posted 10-11-2003 05:26 AM
would it be possible, after scanning the negative and computing exposure corrections for different areas, to do the actual printing step in the conventional manner, directly from the negative? that is, an exposure "light map" would be computed, hopefully as smooth and free of pixels and jaggies as possible (perhaps achievable by a diffusion filter), and this light map would expose the actual negative onto photographic paper. that way most of the qualities of the photograph would escape being digitized (away).
what i would really like to see is a similar digital-in-a-limited-way approach to film restorations. take those cases where you have two film elements, each with defects, and you want to take the best parts of each. you would digitize both elements, note the flaws of each, and create two complementary exposure maps that would expose the best parts of both elements. if there's a scratch on one element, the corresponding map will be black in that area, and the complementary map will be white/clear. then a composite print is made, not by printing a digital composite of the two digitizations, but by photographically printing both elements, illuminated by their respective exposure maps, onto one strip of film. the result would have the advantages of a digital cleanup without unnecessary sampling loss, and would be more pure, filmically.
now granted, such a method would demand perfect registration and would probably take a lot of trial and error to get right, and there might be insurmountable logistical problems, but damnit, it would be worth it. can you get a team working on this, john?
carl
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Martin Brooks
Jedi Master Film Handler
Posts: 900
From: Forest Hills, NY, USA
Registered: May 2002
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posted 10-12-2003 02:25 PM
I've been using Perfect Touch processing and I like it quite a bit. It's very clean, sharp and with good color. I didn't realize until John's post that they made a digital intermediate and printed from that, but I don't see any digital artifacts. I've found with local processing that my stuff always comes back with hair, dirt and scratches, so I've given up on it and switched to Perfect Touch.
I get it with a CD, so I have the original negs, prints, as well as digital versions. The only thing I don 't like about the Perfect Touch package is that you can't get it with 5x7 prints, only 4x6.
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