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Optoma HD70 Projector Mount - Screen close to ceiling

post #1 of 5
9/15/09 at 9:49pm
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On Projector Central's distance calculator for a 120" image from an Optoma HD70, they list 21.2" from the ceiling. My screen is ceiling mounted and the distance to the viewing area from my ceiling is only about 5.5". Is there an adjustable mount to tilt the projector? Or is the 21.2" an estimate based on an assumed 8' ceiling height, meaning any ceiling mount will work? My ceilings are 7'8" tall.
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post #2 of 5
9/17/09 at 12:33pm
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Anyone?
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post #3 of 5
9/17/09 at 7:35pm
The HD70 has an image offset that will place the image above the lens. When mounted upside down, that will place it below the lens since it is upside down. You can tilt your PJ and use keystone correction but that is a LOT of correction.

Options:
Tilt and keystone
Lower the screen
Put your PJ on a table and aim the image up instead of projecting down from the ceiling
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post #4 of 5
9/17/09 at 8:54pm
Thread Starter 
Quote:
Originally Posted by reconlabtech View Post

Options:
Tilt and keystone
Lower the screen
Put your PJ on a table and aim the image up instead of projecting down from the ceiling

I already have it on a table 50" tall (reinforced plant stand), but it's in the way. I have the back of it raised 3" as well, this was the only way to get the image on my 120" screen with a 7'8" ceiling without maxing out the correction. Because of the ceiling height and the center channel speaker, lowering the screen is not an option. I'm happy with the image, but not the PJ location.

If I can't make the HD70 work in this room from the ceiling, I'll probably have to sell it and get a model that fits this room.
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post #5 of 5
9/18/09 at 6:57am
Quote:
Originally Posted by HTtom View Post

I already have it on a table 50" tall (reinforced plant stand), but it's in the way. I have the back of it raised 3" as well, this was the only way to get the image on my 120" screen with a 7'8" ceiling without maxing out the correction. Because of the ceiling height and the center channel speaker, lowering the screen is not an option. I'm happy with the image, but not the PJ location.

If I can't make the HD70 work in this room from the ceiling, I'll probably have to sell it and get a model that fits this room.

The ceiling mount I got from mountdirect.com allows you to tilt your PJ but that offset will still need keystone or an angled screen.

The new Optoma HD20 1080p PJ has half the offset of the HD70 - that might be the way to go.
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