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Topic: A Dirty Print From The Lab?
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Jason A. Forno
Film Handler
Posts: 8
From: Ormond Beach, FL, USA
Registered: Apr 2001
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posted 06-18-2001 12:02 PM
I have a real quick question for anyone...Last thursday night my idiot of a manager put an old very used PTR cleaner on our only print of Tomb Raider. upon seeing this I questioned his judgement and was told that the companies head engineer told him that the reason that we have had problems with prints going in and out of focus... is because and get this... The prints are dirty. Plus as a laughable side note. We are sitting down watch Tomb Raider and the DTS trailer doesn't kick in. So I run upstairs and check it out. A disk is in the B drive and vise versa, also the print was not threaded through the DTS reader. Calgone take me away 
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John Pytlak
Film God
Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000
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posted 06-20-2001 10:52 AM
Generally, the prints leave the lab directly from the processing machine dryer, with little opportunity to pick up any "black" dirt. As Brad notes, poor handling in "positive assembly" or at the film exchange (e.g., to splice on a last-minute trailer or change an end credit) may be a source of dirt or damage, and a "new" print may actually have been run at another theatre as a sneak or trade screening. And a poor shipping reel or dirty shipping case may allow dirt or damage to the film.It's very unlikely that dirt would have any effect on focus stability, unless it built up in the gate and affected gate tension. Any good film cleaner (PTR or web cleaner with FilmGuard) should be able to effectively remove any random loose dirt picked up in previous handling or projection. If the "old very used PTR" has hardened, it will not have enough "stickiness" to effectively remove dirt particles. ------------------
John P. Pytlak, Senior Technical Specialist
Worldwide Technical Services, Entertainment Imaging
Eastman Kodak Company
Research Labs, Building 69, Room 7419
Rochester, New York, 14650-1922 USA
Tel: 716-477-5325 Cell: 716-781-4036 Fax: 716-722-7243
E-Mail: john.pytlak@kodak.com
Web site: http://www.kodak.com/go/motion
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