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Old 21st February 2006, 02:44 AM   #1
diyAudio Member
 
Join Date: Apr 2005
Location: tucson,AZ
Default ir/uv to usable

ok i have a 12.1" lcd it masures top-botom 8" side-side 9.1/2" could i still use my ir/uv glass there 9X9"?

im thinking eather...

ir/uv/fresnal /20mm space lcd
or
ir/uv..20mm space /fresnal /20mm space lcd

what do you think?

unsplit sv-11 style
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Old 21st February 2006, 03:22 AM   #2
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Join Date: Dec 2005
Location: USA
Yes, you can. Since the light is more or less a point light source, the ir/uv glass can be smaller than your lcd. For instance, if a piece of ir/uv glass was placed half-way between the fresnel and the light, you could use a piece of ir/uv glass that is half the size of the monitor (in your case, 4" t/b, 4.75" l/r). Of course, because of the fact that your bulb has an arc length slightly larger than a point light source (I guess you could say infinitely, but you know what I mean ), your ir/uv glass would half to be slightly larger than half.
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Old 21st February 2006, 03:33 AM   #3
diyAudio Member
 
Join Date: Apr 2005
Location: tucson,AZ
ok so witch should i do

1. ir/uv/fresnal
or
2. ir/uv space /fresnal
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