View Full Version : how to use a lense to make TV picture bigger?

06-12-2002, 08:51 PM
I remember seeing on these boards awhile back where someone took an old TV and put a big lens on the front of it. It projected a picture onto their wall and it was really cool. I've got some time and money to burn and I'm wondering how you do this. Any web site with instructions?

06-13-2002, 08:00 AM
I believe what you are referring to is a fresnel lense. A quick google search revealed this: