HD33 Keystoning and projector placement - AVS Forum
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post #1 of 2 Old 05-31-2012, 10:27 AM - Thread Starter
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I'm figuring out the best way to mount an Optoma HD33 projector. Looking at the manual for the projector I see reference to vertical keystoning and vertical image adjustment, but nothing with respect to horizontal adjustments. Does this mean the lens has to be 100% perfectly centered with the screen? Is this typical?

(can't post a link to the manual, but it's easy enough to find online if anyone wants to search it for any reason)

Thanks for any input.
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post #2 of 2 Old 05-31-2012, 02:43 PM
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For projectors that do not have Horizontal Lens Shift or Horizontal Keystoning, yes, that is typical. And that describes your projector.

So if you want the image to be square, the lens MUST be centered on the vertical centerline of the screen and the projector MUST be SQUARE to the screen. So absolutely no angling or "yawing" can be allowed.
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