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» Film-Tech Forum ARCHIVE   » Operations   » Digital Cinema Forum   » How can move 3D Dolby ? (Page 2)

 
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Author Topic: How can move 3D Dolby ?
Steve Guttag
We forgot the crackers Gromit!!!

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


 - posted 11-13-2014 09:17 AM      Profile for Steve Guttag   Email Steve Guttag   Send New Private Message       Edit/Delete Post 
My own calculations are less optimistic...particularly if you do a full light balance to each eye...you'd be lucky to get 8% efficiency. Even with a 1.8 gain screen, the 12C isn't going to get 4.5fL for the life of the lamp...even using a 2.2KW lamp.

However, if you can accept it getting down to 3.5fL for Scope and a 2.2KW lamp and have a 1.8 gain screen (more hot spotting)...then it could work. With an anamorphic lens you'd improve your scope light by 23%. But my guess is that one that is quibbling over a 12C versus a 20C (that you already have) that an anamorphic is not a realistic option.

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Marco Giustini
Film God

Posts: 2713
From: Reading, UK
Registered: Nov 2007


 - posted 11-13-2014 12:53 PM      Profile for Marco Giustini   Email Marco Giustini   Send New Private Message       Edit/Delete Post 
forget about that

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