Question about Sharp NAVITAR 1.2 INCH BUHL LCD LENS, WIDE-ANGLE, Projector Lamp FOR PROJECTORS => Model 825MCL01

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How do I make my projector image square??

I have projectors in several different training rooms. Some of them project a perfect square and some do not. I've played with the keystone, aspect, etc. and still haven't been able to figure it out. Any ideas?

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Start with resetting to factory settings, then adjust keystone as necessary.

Posted on Jul 08, 2009

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Force the pc's into the native resolution of the projector. 1 to 1 mapping. Eliminates the scaling engine of the projector. good luck

Posted on Jul 07, 2009

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Is the projector in the center , how is the angle

Posted on May 09, 2009

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Hi,

This is due fixing problem, Your not fixied the projector properly. So just check whether pojector lens and screen center point both are same line. If not please correct it.

Regards,
prakasam

Posted on Jul 08, 2009

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They should all project OK it might be your graphics cards and wrong resolution that are to blame.

Marc Engineer

Posted on Jun 17, 2009

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IF I understand the problem from the limited info in your question, the problem is a distorted picture on whatever surface [probably a wall, or screen] onto which the image is projected.

With all lenses, the axis [centerline of the lens projected] MUST be absolutely PERPENDICULAR [in both the vertical and horizontal planes] to the perfectly plane [flat] surface onto which the image is projected.

IF for example, the projector is mounted in a rear corner of the room, and the camera is aimed downward and to one side to project the image on the center of the opposite wall, or a screen located there, the image will be distorted. It will be larger on one edge [fartherist from the lens] and smaller on the opposite [nearest] edge.

If it is non-perpendicular in only one axis, then two opposite edges will be different lengths, and if out of perpendicular in two axis then no edges will be the same length.

The solution to this problem is that the center axis of the lens must be perpendicular to the surface projected on, in both vertical and horizontal axis.

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