Fresnel Lens Wall Reflection
by Sharon Williams Eng
Title
Fresnel Lens Wall Reflection
Artist
Sharon Williams Eng
Medium
Photograph - Photography
Description
This Fresnel lens from a Cape Cod lighthouse was housed in a museum. I just liked the design and the light reflecting off the back wall.
Prior to the development of the Fresnel lens for lighthouses, the lights weren't very efficient. But in 1822, Augustin Fresnel changed that. His revolutionary lens represented a huge improvement in lighthouse lighting technology and, as a result, maritime safety. According to the US National Park Service website, a Fresnel lens is made of hundreds of pieces of specially cut glass surround a lamp bulb. This design intensifies the glow from the light, focusing rays of light that would normally scatter into a single, intense beam of light, which shines out in a specific direction. The lens could produce an unlimited number of flashing combinations and intensified the light so it could be seen at greater distances, allowing mariners a greater deal of safety in their navigations near shore. Many of the Fresnel lenses in US lighthouses have been replaced by more modern technology, but the original Fresnel lenses retain a place in history are can be seen in museums and even still in lighthouses.
Uploaded
October 28th, 2021
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