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Author Topic: Maximum acceptable FtLb value for ambient light at Screen? Monte L Fullmer Film God Posts: 8367 From: Nampa, Idaho, USA Registered: Nov 2004 posted 11-29-2004 03:29 AM                     Yea..bad reason why "floating screens" were just not it to be had in a theatre. Granted, cheap to put up and to maintain, but without adjustable maskings, and esp with running a feature lensed for flat on a screen sized for 2.35/1 anamorphic features, the presentation definitely looks cheap and unprofessional due to fuzzy edges of the flat presentation being not covered with masking. People come out and wonder and ask "why the picture isn't filling the screen all they way." And then some patrons feel that with the screen isn't filled all the way, they feel cheated and want their money back. Then, there were some theatre companies that would put "moonglow" lighting behind those "floating screens" and definitely annoying, esp. when they wouldn't dim down enough during the presentation. -Monte  |  IP: Logged John Pytlak Film God Posts: 9987 From: Rochester, NY 14650-1922 Registered: Jan 2000 posted 11-29-2004 08:52 AM                        The old GCC "shadowbox" screen theatres often had poor screen contrast due to the white "surround". AFAIK, many had the white walls later painted black to alleviate the problem: GCC Shadow Box Screens Anyone remember the old Sylvania "HaloLight" televisions of the 1950's? Same concept: Sylvania HaloLight Brochure Sylvania HaloLight Advertisement  |  IP: Logged William Hooper Phenomenal Film Handler Posts: 1879 From: Mobile, AL USA Registered: Jun 99 posted 11-30-2004 01:54 AM                        I never had the pleasure of seeing a GCC shadow box theatre. I'm assuming that even with the light-colored surround, there was black adjustable masking betweent the picture & surround. There was an article in the SMPTE Journal a couple of years ago about contrast & increased *perceived* contrast when the same picture is inside a light-colored (white) "frame" as opposed to a black "frame". Shortly after this, TV showrooms lost all TV's with black surrounds around the picture & instead had only TV's with distracting, fatiguing silver or light gray surrounds to bump up *perceived* contrast for comparison shoppers. Not much makes me more tired, critical, & depressed than looking at TV's in an electronics showroom.  |  IP: Logged John Pytlak Film God Posts: 9987 From: Rochester, NY 14650-1922 Registered: Jan 2000 posted 11-30-2004 07:25 AM                        quote: William Hooper I'm assuming that even with the light-colored surround, there was black adjustable masking betweent the picture & surround. The ones that I've seen did NOT have screen masking, so the edges of the image were fuzzy, unless the projectionist set up some sort of frame to mask the image on the "projectionist's balcony" that was often part of this theatre design.  |  IP: Logged

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