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TOPIC: Cleaning Your Lens

Cleaning Your Lens 21 Jul 2004 12:21 #21938

  • take2
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When cleaning your camera (projector) lens is it better to dry clean them or use a liquid cleaner. If you use a liquid, what brand of cleaner is it?

[This message has been edited by take2 (edited July 26, 2004).]
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Re: Cleaning Your Lens 21 Jul 2004 12:57 #21939

  • John Pytlak
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Kodak Lens Cleaner, of course!

http://www.bhphotovideo.com/bnh/controller/home?O=productlist&A=details&Q=&sku=27961&is=REG

Here is a "white paper" about lens cleaning, published by Schneider Optics:
http://www.schneideroptics.com/info/white_papers/lens_cleaning.pdf

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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Re: Cleaning Your Lens 22 Jul 2004 00:38 #21940

  • RoxyVaudeville
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Is this a photography forum now? Or were you reffering to your "projector" lens?
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Re: Cleaning Your Lens 22 Jul 2004 02:48 #21941

  • outaframe
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Yeah, I know where you're coming from ROXY... I once worked with another projectionist who called the projectors "cameras."... Enough to drive you up the wall!...
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Re: Cleaning Your Lens 22 Jul 2004 10:10 #21942

  • leeler
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John,

That's a good white paper. Very informative without being too wordy.

"What a crazy business"
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Re: Cleaning Your Lens 23 Jul 2004 07:49 #21943

  • jimor
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That white paper was written by an optics maker, so it was assumed that they were talking about GLASS lenses, as most fine cameras and all projectors use, but if one is talking PLASTIC LENSES, he had best not use the acetone and other solvents mentioned, since they will easily dissolve most plastics. I think they would have been wise to make a one-sentance disclaimer about this fact at the opening, since plastic lenese are becoming more common.

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
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: Cleaning Your Lens 23 Jul 2004 10:36 #21944

  • John Pytlak
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I agree -- the use of powerful solvents like acetone are very risky, as they can dissolve many plastics, paints, and adhesives. Hopefully the worst you will ever find on a projection lens is a fingerprint or a bit of oil spray, which a surfactant-based lens cleaner like the Kodak Lens Cleaner will clean off just fine.

In my experience, lenses are "cleaned" far too often. Gently brushing off any dust with a soft camels hair brush should be all that is needed most of the time. Unnecessary daily cleaning with "rubbing" action will eventually wear the coatings.

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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