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which screen gain is appropriate...

#1
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3/4/08 at 12:31pm
  • Joined: December 2007
  • Post Count: 13
A fixed frame screen is exactly the look I want for my ht. I'm just not sure what gain is appropriate considering my situation.

Sony VW40

Throw-15.5 ft

rear wall shelf

light controlled room

I hear a high gain grey is good for DLP but this is Lcos and I can't seem to find info on what screen gain goes good with this projector and my set-up.
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#2
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3/4/08 at 6:54pm
  • Joined: January 2001
  • Location: Colorado
  • Post Count: 297

Re: which screen gain is appropriate...

How large of a screen are you planning, do you intend to have a Cinemascope aspect ratio screen, will people be sitting very far off axis in the room, how important is image fidelity to you, how important is it to watch with some room lighting on (such as Super Bowl parties, etc.)?
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#3
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3/5/08 at 1:46pm
  • Joined: December 2007
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Re: which screen gain is appropriate...

A 92 inch
audience will be direct center or just off center. The room 15.5 deep 14 wide by 7.5 high
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#4
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3/8/08 at 7:00am
  • Joined: January 2001
  • Location: Colorado
  • Post Count: 297

Re: which screen gain is appropriate...

Quote:
Originally Posted by GeorgeAB
......do you intend to have a Cinemascope aspect ratio screen, ................., how important is image fidelity to you, how important is it to watch with some room lighting on (such as Super Bowl parties, etc.)?
One more time.
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#5
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3/8/08 at 7:06pm
  • Joined: December 2007
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Re: which screen gain is appropriate...

Not quite sure what happened to my post. It cut off half of my reply. Anyway, I do not plan on cinemascope screen because of the price of anamorphic lens. I will not be watching any tv on this projector. Strictly 1080p and standard movies. Completely dark room
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#6
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3/8/08 at 7:32pm
  • Joined: January 2001
  • Location: Colorado
  • Post Count: 297

Re: which screen gain is appropriate...

The LCoS units are a bit short on light output. Mounting it that far back will also reduce light output due to the lens loss. If you want more color accuracy, the color control will need to be turned down to compensate for the over-saturated and inaccurate colors out of the box. This will reduce light on the screen some as well.

Too much gain typically results in hot spots, white field non-uniformity, and color shift. I recommend the Joe Kane approved, Stewart StudioTec 130. It has excellent neutrality and a gain of 1.3. It also has a relatively new, finer grained surface, for 1080P resolution on smaller screen sizes.

Best regards and beautiful pictures,
G. Alan Brown, President
CinemaQuest, Inc.

"Advancing the art and science of electronic imaging"
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