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Author
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Topic: Cyan Tracks
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Stephen Furley
Film God
Posts: 3059
From: Coulsdon, Croydon, England
Registered: May 2002
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posted 07-18-2003 01:00 PM
John wrote:
quote:
AFAIK, 16mm prints will continue to have silver + dye tracks. Different (usually much slower) processing machines are usually used for 16mm, so most labs would retain the present procedures for 16mm. As you note, only a small proportion of the work is 16mm, so the environmental impact is much less than for billions of feet of 35mm print each year.
The labs *could* 'retain the present procedures for 16mm', but will they? Rank, as it was, stopped printing 16mm a few years ago. I'm not sure if Technicor still do it. I think Hendersons still do black and white, most of the small labs which used to handle small scale productions in the '60s and '70s have closed down. I had a thousand feet or so printed a couple of years ago, I can't remember which lab did it, somebody I knon, who knew somebody, got it done with a large discount, but I was told that it was the first 16mm they had printed for months, and they would probably stop printing soon. Given this low a volume of production, are the labs going to *want* to retain the facility? Also, if it is seldom used, how long are they going to have the staff with the experience to get consistant, reliable results? If both the equipment, and the skills of the staff have been out of use for a while, will the lab be prepared to accept a small order for 16mm prints at a reasonable price, possibly with considerable time and material needed to get an acceptable result, when virtually all of their work is 35mm with cyan.
I would like to try running some cyan track on various 16mm machines, with different types of cells and filters, to see if any produce an acceptable result, but I've no idea where I could get hold of any; I've never even seen any on 35mm.
He then wrote:
quote:
The significant water savings, reduced use of hydroquinone and caustic sodium hydroxide, reduced process effluent, almost 100% recovery of all the silver in the film, reduced print waste/makeovers for soundtrack application problems, improved picture quality, etc. are compelling reasons to convert, especially when multiplied by over ten BILLION of feet of prints made annually.
Most of this I understand, but why would the use of dye tracks give improved picture quality?
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Stephen Furley
Film God
Posts: 3059
From: Coulsdon, Croydon, England
Registered: May 2002
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posted 07-18-2003 01:57 PM
Thank you for the reply John. Ive seen, and heard track problems from poor re-development, but have never seen problems from it in the picture area, perhaps I've just been lucky.
What I have seen is mannetic oxide from paste striping in the picture area, in all formats from 8 to 70mm. Fortuneatly, it can usually be removed with a solvent. I've seen a lot of poor stripe; I commented on this to somebody I knew who had told me that he used to work in a striping plant, I won't name it, it's no longer there, but he told me that the place was not air conditioned, and they had considerable problems during times of unusually high or low ambient temperature or humidity.
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