Film-Tech Forum ARCHIVE: Optical Glass

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Topic: Optical Glass

Tim Sherman
Expert Film Handler

Posts: 125
From: North Ridgeville, OH, USA
Registered: Aug 2000

posted 03-27-2013 10:55 AM

Might be a stupid question, but I am making my own ports and have the new optical glass on hand. My question is which way is the coating side of the glass supposed to face? Tward the projector or the screen? My guess would be tward the projector but I wanted to find out from everyone first so i can be sure.

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Steve Guttag
We forgot the crackers Gromit!!!

Posts: 12814
From: Annapolis, MD
Registered: Dec 1999

posted 03-27-2013 03:54 PM

If the glass is any good, it should be coated on BOTH sides!

But, if it is only coated on one side, the coated side goes towards the light source.

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