Different Fresnel Lenses, Different Capabilities - Different TVs

Published on Apr 14, 2021
A quick demonstration of the difference between a Spot Lens and a Linear Lens, both of which are used in big screen TVs. The punchline being spot lenses can do everything that a linear lens can, and much more. Much higher temperatures achieved with a spot lens.
The spot lens in this vid was taken out of the tv in this video https://www.youtube.com/watch?v=r87SZ3FmXIw at 1:15 into the vid. I can't remember the make and model, but you can at least see the type of console tv that it came out of.

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