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darkbluesky

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Posted on Monday, August 15, 2005 - 10:44 am:   Edit PostDelete PostView Post/Check IPPrint Post

Hi,

I have read several posts about projectors and ghosting, but I still have a simple question without clear answer:

I always thought that the ghosting on a CRT & shutter glasses was due to the fact the glass on the googles does not goes COMPLETELY black and therefore the eye which should not see anything see a bit of the image, IMHO.

But there are people reporting experience in the infocus X1-X2-X3 or ACER PD523 & shutter glasses, with no ghosting. Is it not the same situation? It should have the same effect of ghosting!

Could someone explain a bit this to me, please?

As you can see I'm a newbie on this, yet.

Tx a lot
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M.H.

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Posted on Tuesday, August 16, 2005 - 10:21 am:   Edit PostDelete PostView Post/Check IPPrint Post

The ghosting on CRT monitors is from 75% produced by the monitor - the monitor phosphors are not able to change the lighting intensity enought fast. This can not be improved by the glasses.
DLP projectrors do not have such sort of ghosting at all, in this case only the glasses are responible for the ghosting as you mention. But this effect is neglible in comparion to the ghosting prduced by other methods (the mentioned CRT monitors or passive projection) ...
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Scott Warren

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Posted on Tuesday, August 16, 2005 - 4:27 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Alot of that problem can be allieviated with the use of monitors that incorporate "fast phosphor" green elements (that's usually the slowest one in the triad). That kind of monitor is usually more expensive, however.

Scott

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