---
product_id: 70491777
title: "Double Convex Lens, 100mm Focal Length, 3\" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs"
brand: "eisco"
price: "€ 20.54"
currency: EUR
in_stock: true
reviews_count: 5
url: https://www.desertcart.ie/products/70491777-double-convex-lens-100mm-focal-length-3-75mm-diameter-spherical
store_origin: IE
region: Ireland
---

# Optically worked, polished glass 75mm diameter, perfect size 100mm focal length precision Double Convex Lens, 100mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms - Eisco Labs

**Brand:** eisco
**Price:** € 20.54
**Availability:** ✅ In Stock

## Summary

> 🔬 See the world through precision – don’t miss the optics revolution!

## Quick Answers

- **What is this?** Double Convex Lens, 100mm 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?** € 20.54 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ie](https://www.desertcart.ie/products/70491777-double-convex-lens-100mm-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

- • **Durable & Safe:** Ground edges ensure safe handling without compromising optical performance.
- • **Perfectly Sized:** A 75mm diameter lens that fits seamlessly into any physics demonstration setup.
- • **Classroom Essential:** Elevate your physics lessons with a professional-grade lens trusted by educators.
- • **Crystal-Clear Focus:** Experience sharp, precise light convergence with a 100mm focal length lens.
- • **Premium Optical Quality:** Crafted from optically worked glass with polished surfaces for flawless clarity.

## Overview

This double convex lens features a 100mm focal length and a 75mm diameter, crafted from high-quality optically worked glass with polished surfaces and ground edges. Ideal for physics classrooms, it delivers precise light convergence and durability for effective optics demonstrations.

## Description

Full description not available

## Features

- DOUBLE CONVEX || Highly polished, double convex lens
- SPHERICAL || Lens measures 3" (75mm) in diameter and is approximately 3mm thick
- 100MM FOCAL LENGTH || Converging lens with a 100mm 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

## Images

![Double Convex Lens, 100mm 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/81YrFwYu8BL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ GREAT DOUBLE CONVEX LENS !
*by T***. on November 15, 2023*

Received my order very fast --- and in perfect condition .Very God quality 3" dia. Magnifying lens .I used it for my DIY Phone Projector ---WORKS GREAT !DEFINITELY worth the money !!!

### ⭐ double convex????????
*by I***O on January 5, 2021*

this thing is useless it can't focus at all with a double convex. they must have made a mistke. making it.

### ⭐⭐⭐⭐⭐ Excellent
*by R***C on August 5, 2024*

This is a great quality lens. It's the size of the palm of my hand and has a decent magnification.

## Frequently Bought Together

- EISCO Double Convex Lens, 100mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms
- EISCO Double Convex Lens, 200mm Focal Length, 3" (75mm) Diameter - Spherical, Optically Worked Glass Lens - Ground Edges, Polished - Great for Physics Classrooms
- EISCO Round Double Convex High Optical Purity Glass Lens - 2" (50mm) Diameter - 50mm Focal Length - 15mm Thick Approx.

---

## 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.ie/products/70491777-double-convex-lens-100mm-focal-length-3-75mm-diameter-spherical](https://www.desertcart.ie/products/70491777-double-convex-lens-100mm-focal-length-3-75mm-diameter-spherical)

---

*Product available on Desertcart Ireland*
*Store origin: IE*
*Last updated: 2026-03-12*