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Fresnel lens Knight Optical (UK) Ltd
Fresnel lenses are made from moulded plastic and consist of a stepped surface, whereby each step corresponds to the surface of a conventional lens....
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Fresnel lens for power led ø 50 mm | PL1174xx series KHATOD OPTOELECTRONIC S.r.l.
Fresnel Lenses for BRIDGELUX BXRA-C0402,...
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A series of concentric grooves on a flat, thin piece of plastic makes possible a large diameter, lightweight and inexpensive...
