{"product_id":"six-seasons-φ300mm11-81-fresnel-lens-600mm23-62-focal-length-pmma-large-magnifier-for-optical-experiment-solar-heating-size-focal-length-600mm","title":"Six Seasons Φ300mm(11.81\") Fresnel Lens, 600mm(23.62\") Focal Length PMMA Large Magnifier for Optical Experiment \u0026 Solar Heating - size: Focal Length 600mm","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ 300mm(11.81\")diameter, 600mm(23.62\") fixed focal length large fresnel lens crafted from high-transmittance optical PMMA. built as a dual-purpose optic that concentrates sunlight and acts as a full-size magnifier for tiny detailed viewing.\u003c\/li\u003e\n\u003cli\u003e✅ Clear Reading Aid for Seniors 300mm large aperture delivers distortion-free magnification, ideal for reading books, sheet music, and documents to reduce eye strain.\u003c\/li\u003e\n\u003cli\u003e✅ Great for STEM \u0026amp; Physics Education Visually demonstrate light refraction and focusing principles in the classroom, perfect for interactive physics experiments.\u003c\/li\u003e\n\u003cli\u003e✅ Ideal for classroom physics demos, backyard solar experiments, DIY maker crafts, specimen inspection and small studio fill lighting.\u003c\/li\u003e\n\u003cli\u003e✅ Strict Quality Assurance \u0026amp; Custom Service Professionally made with strict quality inspection to ensure accurate focal length and uniform texture. All lenses are 100% original with stable performance. Custom sizes are available for your DIY, research and commercial optical application needs.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Six Seasons","offers":[{"title":"Default Title","offer_id":67614594957532,"sku":"B0DBDP22FD-size-focal-length-600mm","price":49.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/0913\/3020\/files\/61Wgf5Vj1bL_712254a8-b948-4389-89ac-445c8762bb5f.jpg?v=1790854726","url":"https:\/\/stemora.us\/products\/six-seasons-%cf%86300mm11-81-fresnel-lens-600mm23-62-focal-length-pmma-large-magnifier-for-optical-experiment-solar-heating-size-focal-length-600mm","provider":"Stemora","version":"1.0","type":"link"}