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M.H.

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Posted on Wednesday, June 05, 2002 - 6:09 pm:   Edit PostDelete PostView Post/Check IPPrint Post

I need to buy non-depolarizing projection desk
for polarization based projection. The size shudl be at least 1.5x2 m or bigger. Any source availabe in Europe ? Any experiences how to do this at home
( I was testing several material aluminimu desk,
dural, non oxidating iron - not satisified with anything).
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Giorgio Bogoni

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Posted on Wednesday, June 05, 2002 - 10:45 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Have you tried a rear projection on a matt glass?
I've seen a satisfatory polarized projection working this way.
Of course, you need a lot of space behind the screen ...
Giorgio.
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Anonymous

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Posted on Thursday, June 06, 2002 - 12:40 pm:   Edit PostDelete PostView Post/Check IPPrint Post

http://www.stewartfilm.com/index2.htm
Sells silvers screens for pol 3d projections, offices availalbe worldwide, including Europe. Rumored to be the best, so the price tag is probably the highest.
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M.H.

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Posted on Thursday, June 06, 2002 - 1:28 pm:   Edit PostDelete PostView Post/Check IPPrint Post

Giorgio: I was testing only aluminium, dural and non oxydating Cr iron desks. The main problem was to high mirror refelction for this desk.
Reflection from plastic desk, standard projection
plate and white wall is 100% depolarizing ...

I will try the matt glass but the space is to big problem ...
Do you thingh that matt plastic will work ?
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Giorgio Bogoni

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Posted on Thursday, June 06, 2002 - 11:05 pm:   Edit PostDelete PostView Post/Check IPPrint Post

I don't think so.
Usually plastic de-polarizes.
But you must check it, I've been told sometime it doesn't.
Let me know.
Giorgio.

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