--- product_id: 39216378 title: "Double Convex Lens, 500mm Focal Length, 3\" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs" brand: "eisco" price: "88.35 DT" currency: TND in_stock: true reviews_count: 8 category: "Eisco" url: https://www.desertcart.tn/products/39216378-double-convex-lens-500mm-focal-length-3-75mm-diameter-spherical store_origin: TN region: Tunisia --- # Optically worked, polished glass 75mm diameter spherical lens 500mm focal length precision Double Convex Lens, 500mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs **Brand:** eisco **Price:** 88.35 DT **Availability:** ✅ In Stock ## Summary > 🔬 Elevate your optics game with precision and polish! ## Quick Answers - **What is this?** Double Convex Lens, 500mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs by eisco - **How much does it cost?** 88.35 DT with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.tn](https://www.desertcart.tn/products/39216378-double-convex-lens-500mm-focal-length-3-75mm-diameter-spherical) ## Best For - eisco enthusiasts ## Why This Product - Trusted eisco brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Crystal-Clear Focus:** Experience sharp, converging light with a precise 500mm focal length for flawless optics demos. - • **Compact Yet Powerful:** A 3-inch diameter lens that fits seamlessly into any lab setup without compromising performance. - • **Premium Optical Glass:** Crafted from high-grade, optically worked glass with polished, ground edges for durability and clarity. - • **Engineered for Excellence:** Manufactured by Eisco Labs with rigorous quality control, ensuring reliability in every experiment. - • **Perfect Classroom Companion:** Ideal for physics classrooms, enhancing hands-on learning in optics and light refraction. ## Overview This double convex lens from Eisco Labs features a 75mm diameter and a 500mm focal length, made from optically worked, polished glass with ground edges. Designed specifically for physics classrooms, it delivers precise light convergence and durability, making it an essential tool for hands-on optics demonstrations and scientific experiments. ## Description Optically True, Double Convex Lens75mm Diameter, 500mm Focal LengthHigh quality, optically true lens. Made of highly polished, quality glass. Spherical with ground edges. Designed for educational purpose and science classroom demonstrations in optics and light physics. Lens measures 3" (75mm) in diameter, and has a converging focal length of 500mm. Refractive index is 1.52.Eisco Labs proudly manufactures its own products using state-of-the-art equipment, and following the highest standards of quality control.Each product is carefully designed by a team of laboratory professionals and experienced engineers with quality and durability in mind. They are manufactured with only the highest grade, raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments. ## Features - DOUBLE CONVEX || Highly polished, double convex lens - SPHERICAL || Lens measures 3" (75mm) in diameter - 500MM FOCAL LENGTH || Converging lens with a 500mm focal length - OPTICALLY WORKED GLASS || Made of high quality, optically worked glass. Highly polished with ground edges - GREAT FOR PHYSICS CLASSROOMS || This optically true lens is excellent for physics classroom demonstrations in optics and light refraction ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01MU56C56 | | Are Batteries Required | No | | Batteries Required? | No | | Best Sellers Rank | #285,354 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #187 in Science Classroom Optics Kits | | Brand | EISCO | | Brand Name | EISCO | | Customer Reviews | 4.4 out of 5 stars 25 Reviews | | Included Components | Product | | Item Weight | 1.6 ounces | | Manufacturer | Eisco | | Manufacturer Part Number | PH0534RCV1 | | Model Number | PH0534RCV1 | | Number of Items | 1 | | Unit Count | 1.0 Count | ## Product Details - **Brand:** EISCO - **Camera Lens Description:** 75 millimetres - **Focal Length Description:** 500 mm - **Lens Type:** Standard - **Maximum Focal Length:** 500 Millimeters ## Images ![Double Convex Lens, 500mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs - Image 1](https://m.media-amazon.com/images/I/81mpu6Uh5zL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Review *by J***X on April 29, 2026* ### ⭐⭐⭐⭐⭐ Review *by T***. on February 7, 2026* ### ⭐⭐⭐⭐⭐ Review *by E***K on August 29, 2025* ## Frequently Bought Together - EISCO Double Convex Lens, 500mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass - Ground Edges, Polished - Great for Physics Classrooms - EISCO Double Convex Lens, 1000mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - EISCO Double Convex Lens, 100mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.tn/products/39216378-double-convex-lens-500mm-focal-length-3-75mm-diameter-spherical](https://www.desertcart.tn/products/39216378-double-convex-lens-500mm-focal-length-3-75mm-diameter-spherical) --- *Product available on Desertcart Tunisia* *Store origin: TN* *Last updated: 2026-08-24*