{"product_id":"eisco-6pc-optical-lens-set-3-200mm-300mm-500mm-focal-lengths-3-double-convex-3-double-concave-3-75mm-diameter-lenses-optically-true-glass-ground-beveled-edges","title":"EISCO 6pc Optical Lens Set, 3\" - 200mm, 300mm, 500mm Focal Lengths - 3 Double Convex \u0026 3 Double Concave, 3\" (75mm) Diameter Lenses - Optically True Glass - Ground, Beveled Edges","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSPHERICAL || Each lens is spherical in shape and measures 3\" (75mm) in diameter\u003c\/li\u003e\n\u003cli\u003eFOCAL LENGTH VARIETY || Converging and diverging focal lengths in 200mm, 300mm and 500mm\u003c\/li\u003e\n\u003cli\u003eOPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with ground edges\u003c\/li\u003e\n\u003cli\u003eGREAT FOR PHYSICS CLASSROOMS || This optically true lens set is excellent for physics classroom demonstrations in optics and light refraction\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"EISCO","offers":[{"title":"Default Title","offer_id":52539941454044,"sku":"B00CLC7UJE","price":50.61,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/0913\/3020\/files\/41sVp7vz6pL.jpg?v=1789837031","url":"https:\/\/stemora.us\/products\/eisco-6pc-optical-lens-set-3-200mm-300mm-500mm-focal-lengths-3-double-convex-3-double-concave-3-75mm-diameter-lenses-optically-true-glass-ground-beveled-edges","provider":"Stemora","version":"1.0","type":"link"}