Red light is behind a Fresnel lens. It is a type of composite compact lens developed by the French physicist Augustin-Jean Fresnel for use in lighthou

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Red light is behind a Fresnel lens. It is a type of composite compact lens developed by the French physicist Augustin-Jean Fresnel for use in lighthouses

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Size: 5000px × 3334px
Photo credit: © Eugene Sergeev / Alamy / Afripics
License: Royalty Free
Model Released: No

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