{"product_id":"4-90916-20-double-concave-glass-lens-20-pack-38mm","title":"4-90916-20: Double-Concave Glass Lens 20-Pack, 38mm","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProvides clear optical performance with minimal distortion and reduced chromatic aberration\u003c\/li\u003e\n\u003cli\u003eDesigned to minimize spherical aberration ensuring consistent focus across all lens surfaces\u003c\/li\u003e\n\u003cli\u003eIncludes twenty precision-ground glass lenses for classroom and laboratory optical experiments\u003c\/li\u003e\n\u003cli\u003eIdeal for studying refraction, focal length, and image behavior in physics demonstrations\u003c\/li\u003e\n\u003cli\u003eEach lens measures 38mm in diameter with a 30cm focal length for reliable educational use\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"GSC International","offers":[{"title":"Default Title","offer_id":48076835291354,"sku":"B0DXFSHLYV","price":65.11,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/8884\/3738\/files\/41D1MhWlFbL.jpg?v=1781851255","url":"https:\/\/gearfighter.us\/products\/4-90916-20-double-concave-glass-lens-20-pack-38mm","provider":"GearFighter","version":"1.0","type":"link"}