Parts of a fresnel lens in close-up with back-light. It is originally developed by French physicist Augustin-Jean Fresnel for lighthouses about 1822. The construction of wide aperture lenses forms with short focal length makes the light visible for greater distances. The benefit of this construction is the minimum amount of material which is needed compared to traditional lenses.
Parts of a fresnel lens in close-up with back-light. It is originally developed by French physicist Augustin-Jean Fresnel for lighthouses about 1822. The construction of wide aperture lenses forms with short focal length makes the light visible for greater distances. The benefit of this construction is the minimum amount of material which is needed compared to traditional lenses.
Size: 4149px × 6217px
Location: Florida Keys
Photo credit: © Johannes Oehl / Alamy / Afripics
License: Licensed
Model Released: No
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