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cinmea projection 25 Sep 2004 06:19 #9043

  • n_ayres
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hi. im doing a physics a-level coursework on the physics involved in cinemas. i was wondering if you could help me...
how does teh projection of a movie work? do you have to take into account focal length etc?
any replies would be greatly appreciated.
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Re: cinmea projection 25 Sep 2004 07:42 #9044

  • jimor
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It may not be 'rocket science' but successful projection and exhibition is far more complex than many might imagine. It is very likely that our resident expert, John Pytlak, will respond in detail and that he will direct you to the standards of the Society of Motion Picture and Television Engineers. And yes, focal length is significant. You might also go to the web site of the National Association of Theatre Owners who may well have documents or publications valuable to you ( www.NATOonline.org ) You would also do well to review the many photos and postings on the site www.film-tech.com for more about current and some historic operations, if you want to illustrate your coursework with examples of installations. Much historical information about projection in theatres is available from the Theatre Historical Society of America at their Archive open to the public in Elmhurst, Ill. just outside of Chicago. Contact them for information via their web site: www.HistoricTheatres.org Best Wishes!


[This message has been edited by jimor (edited September 25, 2004).]

[This message has been edited by jimor (edited September 25, 2004).]
Jim R. (new E-mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it ) member: www.HistoricTheatres.org
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Re: cinmea projection 27 Sep 2004 14:57 #9045

  • John Pytlak
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Here are my "Pytlak's Practical Projection Pointers" articles:
http://www.kodak.com/US/en/motion/newsletters/pytlak/?id=0.1.4.11&lc=en

The "Manuals" and Film Handlers Forum of Film-Tech are a great resource.

John P. Pytlak, Senior Technical Specialist
Customer Technical Services
Entertainment Imaging
Research Labs, Building 69, Room 7525A
Eastman Kodak Company
Rochester, NY 14650-1922
Telephone: +1 585-477-5325 Cell: +1 585-781-4036 Fax: +1 585-722-7243
E-Mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Website: http://www.kodak.com/go/motion
John P. Pytlak, Senior Technical Specialist
Customer Technical Services
Entertainment Imaging
Research Labs, Building 69, Room 7525A
Eastman Kodak Company
Rochester, NY 14650-1922
Telephone: +1 585-477-5325 Fax: +1 585-722-7243
E-Mail: This e-mail address is being protected from spambots. You need JavaScript enabled to view it
Website: http://www.kodak.com/go/motion
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