{"product_id":"six-seasons-φ500mm19-69-large-fresnel-lens-600mm23-62-focal-length-pmma-for-solar-concentrator-magnifying-optical-science-research","title":"Six Seasons Φ500mm(19.69\") Large Fresnel Lens, 600mm(23.62\") Focal Length PMMA for Solar Concentrator, Magnifying \u0026 Optical Science Research","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ 1pcs Large Aperture \u0026amp; Premium Optics Adopting high-purity German optical PMMA, this 500mm ultra-large aperture lens boasts supreme light transmittance with zero distortion and impurity. It restores true colors and delicate details, delivering professional optical performance that outperforms ordinary acrylic lenses.\u003c\/li\u003e\n\u003cli\u003e✅ Strong Focusing Power \u0026amp; Uniform Light Spots Designed with an optimized light-gathering structure for even light distribution and minimal energy loss. It reaches up to 971°F focal temperature under 86°F sunlight with superior thermal efficiency, ideal for solar thermal experiments, PV tests and optical DIY projects.\u003c\/li\u003e\n\u003cli\u003e✅ 3.0X Eye-Friendly Golden Magnification Features a precisely calibrated 3.0X golden magnification ratio for ultra-clear, natural enlarged views. Free of over-amplification and eye strain, it suits physics classroom demonstrations, fine observation and long-time low-vision auxiliary reading.\u003c\/li\u003e\n\u003cli\u003e✅ Lightweight \u0026amp; Easy Quick Setup Featured with a lightweight body, this lens is burden-free to carry and store. It fits indoor teaching, laboratory research and outdoor use effortlessly.\u003c\/li\u003e\n\u003cli\u003e✅ Reliable Quality: Produced by a professional manufacturer of Fresnel optical components; we provide 100% original products with reliable Amazon brand credibility and offer custom size services\u003c\/li\u003e\n\u003cli\u003e✅ Safety Precautions: Always wear UV-protective glasses when using in sunlight; avoid direct skin contact with concentrated focal heat to prevent thermal burns.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Six Seasons","offers":[{"title":"Default Title","offer_id":48206718861463,"sku":"B01KS7Y5JQ","price":214.14,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0735\/1032\/2327\/files\/615mAU4TloL.jpg?v=1788605376","url":"https:\/\/tinkervanta.com\/products\/six-seasons-%cf%86500mm19-69-large-fresnel-lens-600mm23-62-focal-length-pmma-for-solar-concentrator-magnifying-optical-science-research","provider":"TinkerVanta","version":"1.0","type":"link"}