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This topic comprises 5 pages: 1 2 3 4 5
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Author
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Topic: Things That Annoy You IN A Booth
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Joe Redifer
You need a beating today
Posts: 12859
From: Denver, Colorado
Registered: May 99
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posted 05-09-2001 01:24 AM
Do not, I repeat DO NOT use RP-40 to set framing. It does not match real world conditions. I can't remember exactly, but it makes your framing too high or too low (I believe too low, I set them once with a good green band and locked the framing mechanisms so I never had to do it again). Also, if the projector physically permits it, be absolutely sure to lock the framing mechanisms as tight as you can. Real projectionists don't use the framing knob.Sure, I got complaints from a couple of my projectionists when I did this. But you know what? They learned to thread in frame every single time. It never really was an issue. It is a good teacher as well. If someone threads out of frame, they will have to stop the projector to fix it. They won't make that mistake again. Plus, having the framing knobs locked into place guarantees that it is perfectly in frame... not slightly too high or too low. Perfect. Every time. Some projectionists think it is "in frame" if they simply do not see any (or much) black lines. This adds to my list of annoyances: -Projectionists who cannot thread (or build a print) in frame every time no exceptions. -Projectors that do not allow for the locking of the framing mechanism.
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Randy Stankey
Film God
Posts: 6539
From: Erie, Pennsylvania
Registered: Jun 99
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posted 05-09-2001 10:59 PM
I understand about how you say RP-40 isn't good for setting framing. The specific incident I was thinking about was when I had finished my work then started the show. (I like to do that so that I have "proof" that the projector is working before I leave.) The faming was centered, the picture was good when I started it and I KNOW it was still at the same setting when the movie was over because I checked. This kid had cranked the framing knob almost all the way to the end of its travel. It wasn't just a hair off. I told him that I noticed that he didn't thread it in frame. He tried to lie to me and tell me that he did thread in frame. I told him that I was "checking" on him and I had set the framing knob just minutes before. I then quitely followed him around the booth while he started movies. His hand went directly from the start button to the framing knob like it was a reflex action... before the picture even hit the screen. I have thought about locking the framing knobs. I have been told that I am not allowed to do it. Lemme' tell you I have given serious thought to doing it on just ONE projector and not telling anybody. When they call me to complain to me that they can't move the knob I'll tell them that I'll come fix it next time I come to do PMs.
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Robert Golding
Film Handler
Posts: 65
From: Sutter, CA, USA
Registered: Jan 2001
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posted 05-10-2001 02:37 AM
I like this thread.People with tinkeritis. FLOODS, what a pain in the a__ and messy. People putting their hands in front of the port, my projection room is at ground level, drive in theatre.
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John Pytlak
Film God
Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000
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posted 05-10-2001 11:24 AM
The likely reason for the slight vertical offset between the SMPTE 35-PA (RP 40) test film and "real prints" is that the 35-PA film is produced on a pin-registered printer, whereas release prints are usually made on continuous contact printers. Since the height of the BH-1866 perforation used on a negative film is 0.073 inches, and the KS-1870 perforation used on print film is 0.078 inches, there can be a 0.005 inch offset in vertical position in a continuous contact printer, where a sprocket tooth positions the films along the perforation edge, rather than a full-fitting registration pin being used.
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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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