Okay, I've been waiting a while to find a projection TV and I finally found one in another state (we were giving two horses back and picking up mine) and someone had already taken the screens out of it, but luckily had left the one I need (I hope, it was kinda hard to test it when it was getting dark so I'm not 100% sure yet)

Anyways, we had to haul it back in the back of the horse trailer and it had fallen over (thought it was secure) onto fine pine shavings and a bit of horse poop (ew and will be washed) and I was wondering if scratches could hinder the screen very much. It was pitch black when we finally made it home and I couldn't see to check for scratches.

I was watching someone making a cooker out of this; I had an idea of makeing a cement water storage & placing this on top for a solor water heater.

Can you try to use the fresnel lens to make a DIY projecter that can be hooked to a portable dvd player?

Thanks for the video! I just picked up a 62" DLP TV for free on craigslist last night for this reason and my power drill just finished charging! Time to get myself some quality free parts for my tesla turbine ORC project ;)

If you all want to know what I'm up to check it out at teslapower.wordpress.com

Thanks for this, and very nice link. I demand your future laser instructable!

So what are you planning with the lens?

I made a cooker out of one of these, I can turn a hot dog into a black lump in one min we checked the temp on mine at 3000 degrees on a bright day.

TUA, with that front surface mirror you can make a 3D mirror array for photograph.

Awwww, I just threw out a 50" DLP TV last month too!

Our community has an electronic drop off where I usually use a pry bar or the lug nut wrench from my trunk to recover fresnel lenses. It´s quick and dirty, but the plastic housing usually gives way pretty quick.

I really want to find one of these. I had a chance to get a broken rear projection tv a while ago but couldn't find the time to pick it up. Frustrating!