{"product_id":"5pcs-4mm-flat-convex-lens-4mm-focal-length-borosilicate-glass-magnifier-lens-led-flat-convex-optical-lens-for-diy-crafts-home-office-science-led-spotlights-φ4mm-h2-3-f3-0-size-φ4mm-h2-3-f3-0","title":"5Pcs 4mm Flat Convex Lens, 4mm Focal Length Borosilicate Glass Magnifier Lens,Led Flat Convex Optical Lens for DIY Crafts, Home Office Science, LED Spotlights (Φ4mm*H2.3*F3.0) - size: Φ4mm*H2.3*F3.0","description":"\u003ch3\u003eAbout this item\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✔️ Exact Dimensions – Clear \u0026amp; Precise Each convex lens measures 4mm outer diameter (0.16\"),Height:2.3mm(0.09\"），3mm focal length (0.14\"), Comes with 5 lenses per pack, ideal for projects that demand accurate miniature optics.\u003c\/li\u003e\n\u003cli\u003e✔️ Premium Borosilicate Glass Material Made of high-quality borosilicate glass with 92% light transmittance and 1.474 refractive index. Withstands extreme temperatures from -50°C to 450°C, offering superior strength, scratch resistance, and long-term durability compared to ordinary lenses.\u003c\/li\u003e\n\u003cli\u003e✔️ Flawless Beam \u0026amp; Safe Edges Produces a clean, uniform beam spot with no black holes, shadows, or dark areas. Features ground edges for safe handling and polished surfaces for even light transmission.\u003c\/li\u003e\n\u003cli\u003e✔️ Wide Application – Lighting, Magnifying \u0026amp; DIY Perfect for LED spotlights, car lights, focusing flashlights, projection lights, explosion-proof lights, and downlights. Also great for reading small text (newspapers, books, menus, labels), science experiments, DIY telescope projects, office tasks, and crafts.\u003c\/li\u003e\n\u003cli\u003e✔️ Easy to Use \u0026amp; Maintain Place the lens directly over small text or objects to magnify details. Adjust beam angle by changing the distance between lens and LED light source. Clean easily with a soft cloth to maintain transparency.\u003c\/li\u003e\n\u003cli\u003ePackage Included:5PCS X Optical Glass Lens Without Edge\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eOverview\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e JIATONG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColor:\u003c\/strong\u003e Transparent\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLens Material:\u003c\/strong\u003e Glass\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Dimensions:\u003c\/strong\u003e 0.09\"L x 0.16\"W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMagnification Strength:\u003c\/strong\u003e 3 diopters\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"JIATONG","offers":[{"title":"Default Title","offer_id":67607461495004,"sku":"B0BVGD91T7-size-4mm-h2-3-f3-0","price":11.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0837\/0913\/3020\/files\/31WSwB7tAoL.jpg?v=1790773079","url":"https:\/\/stemora.us\/products\/5pcs-4mm-flat-convex-lens-4mm-focal-length-borosilicate-glass-magnifier-lens-led-flat-convex-optical-lens-for-diy-crafts-home-office-science-led-spotlights-%cf%864mm-h2-3-f3-0-size-%cf%864mm-h2-3-f3-0","provider":"Stemora","version":"1.0","type":"link"}