FRESNEL LENS EXTREME Solar 3000˚ F Sunlight Melting a Burning Stuff with the Sun

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This is our extreme solar fresnel lens in action. I have a GIANT Lens that is even stronger but this spot fresnel lens works perfect for heating metal using the sun.
Lens available ...
The saw blade is solid steel. Total time through the blade was 3 minutes. All other melts were realtime.
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