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The image displays a close-up, detailed view of a Fresnel lens, a type of lens system that was invented by Augustin-Jean Fresnel. The lens is composed of numerous concentric prismatic rings, made of glass, which are assembled within a framework of metal supports. Light passing through the lens is refracted, creating a spectrum of rainbow-like colors due to the dispersion of light. The lens appears to be illuminated from within or behind, causing these colorful refractions to be prominent. The structure of the lens is intricate, with each ring precisely angled to focus and direct light. The background is dimly lit, with hints of a museum-like setting, possibly a display or exhibit. This particular Fresnel lens is part of the optical apparatus at the top of the Eiffel Tower in Paris, France, which functions as a navigational beacon.
FM-mrXKq1

Aug 15, 2026, 1:45 PM

Paris, France

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The image displays a close-up, detailed view of a Fresnel lens, a type of lens system that was invented by Augustin-Jean Fresnel. The lens is composed of numerous concentric prismatic rings, made of glass, which are assembled within a framework of metal supports. Light passing through the lens is refracted, creating a spectrum of rainbow-like colors due to the dispersion of light. The lens appears to be illuminated from within or behind, causing these colorful refractions to be prominent. The structure of the lens is intricate, with each ring precisely angled to focus and direct light. The background is dimly lit, with hints of a museum-like setting, possibly a display or exhibit. This particular Fresnel lens is part of the optical apparatus at the top of the Eiffel Tower in Paris, France, which functions as a navigational beacon.

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FM-mrXKq1

Aug 15, 2026, 1:45 PM

Paris, France

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