Film-Tech Forum ARCHIVE: Goodbye to the movie business, hello to the movie business.....

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Topic: Goodbye to the movie business, hello to the movie business.....

Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99

posted 03-28-2000 02:15 PM

There are alot of places that you can't and shouldn't use Filmguard. Several that come to mind are:
Film shown on a rolling loop projector.
Camera Negatives.
Internegatives and Interpositives.
Film to be archivally stored.
Film undergoing restoration.
Magnetic Media...IE: FullCoat,or mag stripe.

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John Pytlak
Film God

Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000

posted 03-28-2000 02:19 PM

Solvent-based film cleaners MUST be used with proper ventilation. Breathing of vapors and skin contact should be avoided. If your "nostrils are on fire" or your "brain hurts", you are getting too much exposure to the vapors.

------------------
John P. Pytlak, Senior Technical Specialist
Worldwide Technical Services, Professional Motion Imaging
Eastman Kodak Company
Research Labs, Building 69, Room 7419
Rochester, New York, 14650-1922 USA
Tel: 716-477-5325 Fax: 716-722-7243
E-Mail: john.pytlak@kodak.com

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Joe Redifer
You need a beating today

Posts: 12859
From: Denver, Colorado
Registered: May 99

posted 03-28-2000 06:37 PM

FilmGuard does not harm magnetic media. I have run fullcoat mag through it many times and Brad has run tons of 70mm mag prints.

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Brad Miller
Administrator

Posts: 17775
From: Plano, TX (36.2 miles NW of Rockwall)
Registered: May 99

posted 03-28-2000 07:19 PM

I've got tons of test film stored with an excessive amount of FilmGuard on it (some 10 years old) that is still absolutely pristine! I've also got plenty of magnetic prints (several years old as well) with FilmGuard on them. It greatly cleans up the magnetic tracks.

As to rolling loop projectors, yes this is a no no. Camera negatives/interpositives/film undergoing restoration? It's never really been tested with those, although it was never formulated with that in mind.

The only other thing FG shouldn't be used on is 3M's Photoguarded prints. Note: TES is using something called Imageguard which is similar to Photoguard, but works nicely with FG.

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Joe Redifer
You need a beating today

Posts: 12859
From: Denver, Colorado
Registered: May 99

posted 03-29-2000 02:15 AM

What happens is you will get horrible black lines of dots down your screen (and they are pretty big and VERY noticeable) when you soak the pads and run them on a film coated with Imageguard. This will go away after a few runs. But it looks like the print from hell at first. This happens every time you resoak or change the pads. Using FilmGuard with it does help shedding and projector "quietness" since Imageguard is applied on the image area of the base side only.

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99

posted 03-29-2000 12:26 PM

As far as camera negs, interpositives, and internegs go I always think of those in archival terms only. The same goes for 35mm full coat and 35mm striped mag film. These are also sound records of whatever and since no one knows the extremely long term effects of Film Guard that is my sole reason. As far as general release prints go thats obviously THE only way to go, mag or not. The life span there is way far short of the original stuff what ever format it may be.
Mark

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Dave Williams
Wet nipple scene

Posts: 1836
From: Salt Lake City, UT, USA
Registered: Jan 2000

posted 03-29-2000 02:39 PM

Back to the "dont use it on IMAX, its photoguarded" and the follow up "but you can get it not photoguarded", i have a couple of questions..

I know that there is the 8 perf blow down on 70 mm imax, but isnt the actual imax format in 200 mm? there isnt a way of applying filmgaurd to this at the present time as far as i am aware of. I am not yet sure if we are going full imax or the cheaper suckier blowdown version.

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"If it's not worth doing, I have allready been there and done it"

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99

posted 03-29-2000 03:24 PM

Dave, Imax is 70mm film that is 15 perfs per frame. It runs horizontally through the projector like VistaVision does. The 8 perf 70mm(vertically running) version is definately a sucked down version of Imax. At Jordan Commons the screen is actually way too big for 8 perf 70mm. Man some Imax screens aren't that big. That particuluar system is being taxed way beyond its limits and Larry Miller should have really put in an actual Imax system. Thats a prime spot in SLC for that sort of thing and he definately blew it big time. The real pisser here is that he could very easily afford to buy Imax Corp. in its entireity!!
Mark

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Gordon McLeod
Film God

Posts: 9532
From: Toronto Ontario Canada
Registered: Jun 99

posted 03-31-2000 06:50 PM

In the big arena of 15 perf 70mm there are 3 players
IMAX
Iwerks
World Odessey (ultra70) (CFS)
Cinemecanica( they got out of it after one machine a Vic8 on its side)

In the 10 perf
Goto Optical
modified century

In the 8 perf
Iwerks (Pioneer Linear Loop projector (academey award winner)
Super 70 modified Pro35/70 (CFS lamphouse)
Omni Films Modified Pro35/70
MegaSystems (Hitech) A twin intermittent Ballantyne Pro35/70
VistaScope a modified norelco AA2 with CDS

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