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Audio Visual Projection focus Tips

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Andre Pimentel
Audio Visual Projection focus Tips
on Jun 1, 2012 at 11:54:00 pm

Hello Guys,

I works as audio visual technician, mainly doing audio but getting in to video. I am trying to learn projection and tips on how to get perfect projection, I really don't understand the geometry to it. Everytime I do the projection my image is never perfect. One side is always crooked. Does the projector have to be in the middle of the screen? should I zoom out all the way first than shift lense and get the image in the middle? what should I first be doing. Please all the experienced video/AV technicians please reply with tips on how to get started and understand projection. Thanks in advance.


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Thomas Leong
Re: Audio Visual Projection focus Tips
on Jun 2, 2012 at 4:47:14 am

Hello,

For starters, look at -
http://en.wikipedia.org/wiki/Keystone_effect

Also,
http://www.projectorpeople.com/resources/keystone-correction.asp

Hope that gets you started.



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