{"product_id":"double-concave-lens-50mm-focal-length-2-50mm-diameter-spherical-optically-worked-glass-lens-ground-edges-polished-great-for-physics-classrooms-eisco-labs","title":"Double Concave Lens, 50mm Focal Length, 2\" (50mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDOUBLE CONCAVE || Highly polished, double concave lens\u003c\/li\u003e\n\u003cli\u003eSPHERICAL || Lens measures 2\" (50mm) in diameter and is approximately 13mm thick\u003c\/li\u003e\n\u003cli\u003e50MM FOCAL LENGTH || Diverging lens with a 50mm focal length\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 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":52541507240156,"sku":"B076QHBGK3","price":22.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/0913\/3020\/files\/41WwVLHpLUL.jpg?v=1789864704","url":"https:\/\/stemora.us\/products\/double-concave-lens-50mm-focal-length-2-50mm-diameter-spherical-optically-worked-glass-lens-ground-edges-polished-great-for-physics-classrooms-eisco-labs","provider":"Stemora","version":"1.0","type":"link"}