Different Fresnel Lenses, Different Capabilities - Different TVs
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YouTubefencekid
Different Fresnel Lenses, Different Capabilities - Different TVs
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 ...
632.9K viewsAug 15, 2011
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