what type of glass is suitable for fresnel lens ?
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what type of glass is suitable for fresnel lens ?
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Answer:
Fresnel lenses are usually made of glass or plastic (there is no definate type of glass)
Explanation:
Fresnel lenses is a type of composite compact lens developed by the French physicist Augustin-Jean Fresnel (1788–1827) for use in lighthouses.
Answer:
spotlights, floodlights, railroad and traffic signals, and decorative lights in buildings. Cylindrical Fresnel lenses are used in shipboard lanterns to increase visibility.