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This topic comprises 3 pages: 1 2 3
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Author
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Topic: Fading 70mm Print.....
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John Pytlak
Film God

Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000
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posted 02-22-2001 02:03 PM
Jeff: KODACHROME technology enjoyed many years of use for 16mm and 8mm print applications.The Chronology of KODAK Motion Picture Films shows that in 1938, Kodak introduced KODACHROME Duplicating film, 5262 (16mm). It was also used as a camera film. In 1940, Kodak introduced KODACHROME Duplicating film, 5265 (16mm). In 1950, Kodak introduced EASTMAN Reversal Color Print film, 5269 16mm. In 1966, Kodak introduced EASTMAN Reversal Print film, 7387. Improved. Non-incorporated couplers. All these reversal print films used the KODACHROME technology, with the dye-forming couplers contained in the three color developer solutions, rather than the film. You are correct that it was difficult for labs to produce a good 16mm silver soundtrack on these reversal films, so after the early 1950's, larger print orders were usually printed on ECP from an internegative. http://www.kodak.com/US/en/motion/about/chrono1.shtml http://www.kodak.com/US/en/motion/about/chrono2.shtml http://www.kodak.com/US/en/motion/about/chrono3.shtml http://www.kodak.com/US/en/motion/about/chrono4.shtml
------------------ 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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David Kilderry
Master Film Handler

Posts: 355
From: Melbourne Australia
Registered: Sep 1999
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posted 02-23-2001 05:27 PM
What's in my refrigerator right now?Kodachrome 25 16mm Eastman 7240 16mm 7240 Super 8 Kodachrome 40 Super 8 Kodachrome 40 Super 8 Sound! I shoot all of these products regularly and literally have my life on film from 18 months of age. The colours are vibrant, rich and saturated. My son is one of the few of the next generation that will have his life and times documented using all the products listed above. I want a forward and backward compatible, stable recording technology that will last lifetimes. (How can I tell a story in 6 mins on film that takes people with a handycam 56 mins?) I guess I changed this topic from 70mm to 8mm. David
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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12814
From: Annapolis, MD
Registered: Dec 1999
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posted 02-24-2001 09:00 AM
Our family was big into home movies...we went through both Regular-8 and Super-8 (with and without sound).I beg to differ with Mr. Norwood on the longevity of Ektichrome (or however it is spelled...the "blue label" film)....it has held up VERY poorly with respect to color. Most of our home movies have turned progressively blue (like shooting tungstun film outdoors). As others have noted, Kodachrome looks as good today as it did in the '50s. Kodachrome is truely a wonderful film and process! Steve ------------------ "Old projectionists never die, they just changeover!"
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John Pytlak
Film God

Posts: 9987
From: Rochester, NY 14650-1922
Registered: Jan 2000
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posted 02-26-2001 09:54 AM
I was married in 1972, and high speed EKTACHROME Super-8 film was used to capture the moment "available light". We projected the film again last Christmas, and the colors are still very good. Storage has been in our home, at about 70F and 50% RH. We project the film once or twice a year, so that lets it "breath", preventing vinegar syndrome.I have several VHS tapes I made of the "Royal Wedding" of Princess Diana and Prince Charles. Like the marriage, the tape gradually deteriorated, and has quite a few dropouts. Somehow, old VHS tapes also seem to loose sharpness and pick up noise with age --- is this due to loss of signal and spread of the high frequency information? ------------------ 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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This topic comprises 3 pages: 1 2 3
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