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Lumenlab > Audio Video Sciences > Home Theater > HT PLOG, Your Project Logs
J Ortiz
Hello I believe that my first post. Although already I have enough time reading.
I have some problem of clearness.
I am using the Kit S15 lumenlab to 1er Fresnel to 15mm of the LCD 2do Fresnel to 20mm of the LCD.



Arran Hughes
hi, i have a similar pronlem Ortiz, my picture doesnt seem bright enough, especialy compared to others on lumen lab, heres my problem



can anyone help us out, thanks

Oh and Ortiz, have you tried moving your setup about try adjusting the position on the fresnels to the lcd and also adjust the distance of the lamp because that was my problem at first and it could be yours too, but dont take my word on it im only a noob after all. cheers
J Ortiz
QUOTE (Arran Hughes @ Feb 21 2007, 02:34 PM) *
hi, i have a similar pronlem Ortiz, my picture doesnt seem bright enough, especialy compared to others on lumen lab, heres my problem



can anyone help us out, thanks

Oh and Ortiz, have you tried moving your setup about try adjusting the position on the fresnels to the lcd and also adjust the distance of the lamp because that was my problem at first and it could be yours too, but dont take my word on it im only a noob after all. cheers



Ok thanks will treat to fit lens
georgecotton
U got a reflector installed? leaks can be a killer
Math
QUOTE (georgecotton @ Mar 22 2007, 07:13 PM) *
U got a reflector installed? leaks can be a killer



1- kill ambient lighting.
2- reflector - pro and look into a precondenser. Helps both distribution and lumens.
3- distances to everything.
Moving my reflector back only 1cm, I had vignetting and loss of lumens - MAJOR loss.

So within 2 mm you're good. Otherwise, you're off.

Also, light hitting the triplet makes it the on the other side. To improve, you'd need a bigger triplet. Less light loss.

But the standard triplet is good enough to get a decent projection.

biggrin.gif

Then, if you choose to go that way :
ag layer removal(helps differently from panel to panel)
changing to a brighter bulb.

Happy tuning!
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