I love lighthouses. There are approximately 1,000 lighthouses in the United States alone. I have probably seen a tenth of them. Here are a few of the ones I have captured through a lens. At the end of the third lighthouse collection is a set of six photos of Fresnel lenses from Florida's Ponce de Leon Lighthouse Museum. Seeing a Fresnel lens up close is amazing. Think of hundreds of prisms all blending and focusing the light at once...See also Lighthouse Collection II and Lighthouse Collection III.