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Re: Fresnel Lens



Interesting discussion on Fresnel Lenses!  If anyone is interested, I have a photo of a Fresnel Lens from a lighthouse on our homepage.  I took the photo last summer at a museum in Duluth.  The photo can be found at an "Interesting Physics Photos" selection near the bottom of the homepage ->

      www.engineering.sdstate.edu/~physics/physics.htm

 

Let me know if you have trouble getting it.

Oren Quist, SDSU