Aye, quick question... why can't the TV Screen be flat? It seems that a flat TV Screen would be a good thing, since the Fresnel lens is flat. I have a sharp...
Hi it's Remy, The tv screen must not be flat to compensate the curvature that occurs when magnifying the screen with a fresnel lens. The more you magnify the...
Hi guys - Bones here still reading and watching. re the curved/flat screen scenario, I can't get my head around the effect of various picture tubes and lenses...
Hello everyone. Glad to see you're all still around. I've been really busy with life and work (mostly work). But I'm still enjoying my crt setup. Gave up on...
I read the FILES section, but still have a few question. Guys I want to make a projector using my 17 inch crt monitor, because I want a high resolution output...
Unless you have a very bright CRT monitor (there are very few out there) you will have a very dim image using a CRT computer monitor. I tried this with two of...
I've decided to go the overhead projector with a lcd route. I'm building my screen out of smooth panel board with glass beads. claygraner <claygraner@...>...
I just assembled a quick version of a DIY Projector. I used an old refrigerator box...some duct tape and a magnifying glass lens I found in a desk at work. ...
You cannot add light inside the focus box. All that will do is wash out the image. You have to have more lumens from behind the source which in this case is...
What file in the Files section tells how to adjust the Screen Pot? I can't seem to find it. Thanks!! ... wash ... few ... only ... and ... screen ... monitor, ...
Hi Everybody, It's been a while since my last post on this forum. I've been busy developping my tv projector. I finally came out with a full fledge product ...
... wash ... few ... only ... and ... screen ... monitor, ... to ... cardboard. ... ask clay about my paper screen. easier than making one. and cheaper....
Hi, Howmuch does this freshnell lens cost? and what is the shipping cost? Do you have similar acrilic freshnel of 330 mm focal length? Looking forward to your...
The Beta II is the same lens as the "Poli-IV" TV Projection Lens. It is a big 6.6" in diameter and 6.6" long and has a 11.98" focus length and a 1.86...
Well I think that this lens wont work with my setup as it is a 17" monitor... need something that will work with it and I'm selling to best offer. Thanks in...
Thanks for the info... that would be like 300mm right? woa! I dont know why in my head I though that this lens had a 400mm focal length!!! thanks again! Does...
Hello Ive got a Beta II, I can tell you that it will not work with a 17 inch monitor..the biggest maybe 15 inch only. ... build ... like. ... of it… ... beta...
Hi, The fresnel lens is 24,90$ plus shipping. The 330 mm focal length will not work for tv projection. You will obtain a curved projected image because of the...
Hi, You can see image result at: www.toutdentaire.com/videoprojecteur.html It is the photos of the guy and the girl trapped in the elevator. This is the ...
no more brightness problems. I use my papersilver screen. hardly no money spent.the zoombox by hasbro is a little pixelly but you don't really notice it. eveny...
Thanks, What is the shipping cost to India? Also is it the same lens sold by 3D lens.com? I also need 330 focal lens to try for 17 inch LCD projector. Regards,...
it is great. even though my flat monitor was very good this is far better. the pixels are not noticeable after a while. sometimes you're just to close. if you...
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