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where can i find fresenal lens for solar prop? Answered

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Dr.Bill

10 years ago

Try an old projection TV. They had fresnel lenses 3' wide and can burn holes in the road 2" in diameter ! Ahhhhhhhhh ! I LIKE FIRE ! Ahhhhhhh !

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robotguy4

10 years ago

Old overhead projectors (like the one shown here) usually have a small one in the base of the assembly with the lamp...

overheadProjector.jpg
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ShutterBugger

10 years ago

Look for a discarded projection TV. There is a large fresnel lens in the viewing screen. They make great solar concentrators. ~Bob~