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Author Topic: Problematic polyester print Fredrik Sandstrom Film Handler Posts: 63 From: Turku, Varsinais-Suomi, FINLAND Registered: Mar 2014 posted 03-09-2015 12:46 PM                     I have a print that is difficult to handle. It refuses to wind tightly (some reels worse than others) and it's especially difficult to wind it evenly on a core. It displays some spoking as if it were badly warped, but no warping is evident when unwinding. Sound familiar? It would to me too, if it were not for the fact that this is polyester film! Never in nine years of collecting have I before come across a polyester print with any of these problems. What do you think?  |  IP: Logged Dustin Mitchell Phenomenal Film Handler Posts: 1865 From: Mondovi, WI, USA Registered: Mar 2000 posted 03-09-2015 01:32 PM                     Even light damage to the edges of the film can cause this. Likely what happened is the film was mis-threaded so that it did not register quite right on a sprocket. Unfortunately, there is no way to fix this.  |  IP: Logged Mike Blakesley Film God Posts: 12767 From: Forsyth, Montana Registered: Jun 99 posted 03-09-2015 01:54 PM                        Dustin's got it. Get yourself a magnifying glass and you will probably be able to see some distortion or even slight tearing around one edge of each sprocket hole. If it's severe damage, no magnification is needed. The problem is, the hole damage makes the film a tiny bit thicker at the edges of the holes, so adjacent layers won't lay flat. If you run the sprocket hole area through two fingers you probably will be able to feel the distortion.  |  IP: Logged Fredrik Sandstrom Film Handler Posts: 63 From: Turku, Varsinais-Suomi, FINLAND Registered: Mar 2014 posted 03-10-2015 02:06 PM                     Thanks! This indeed seems to be the case. Under visual inspection, the distortion seems very slight, but I can clearly feel it between my fingers on the non-soundtrack side. Thankfully, it runs just fine.  |  IP: Logged

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