GREENPOWERSCIENCE | Convert Linear Fresnel Lens to a Spot Fresnel Lens GreenPowerScience @GREENPOWERSCIENCE | Uploaded March 2015 | Updated October 2024, 1 week ago.
GreenPowerScience.com
Linear projection TV Fresnel lenses are actually Spot Fresnel lenses with Linear grooves on the Non-Fresnel side of the lens. Sanding and buffing away these lines can increase the clarity of a Linear lens and make it a SPOT FRESNEL LENS.
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