---
product_id: 164978191
title: "Amlong Crystal Premium Optical Glass Double Convex and Double Concave Lens Set, 50mm Diameter with 3 Convex (20, 30, 50cm FL) and 3 Concave (20, 30, 50cm FL)"
brand: "amlong crystal"
price: "€ 49.56"
currency: EUR
in_stock: true
url: https://www.desertcart.gr/products/164978191-amlong-crystal-premium-optical-glass-double-convex-and-double-concave
store_origin: GR
region: Greece
---

# 3 convex + 3 concave lenses for versatile focal lengths High-grade optical glass for crystal-clear accuracy 50mm diameter precision lenses Amlong Crystal Premium Optical Glass Double Convex and Double Concave Lens Set, 50mm Diameter with 3 Convex (20, 30, 50cm FL) and 3 Concave (20, 30, 50cm FL)

**Brand:** amlong crystal
**Price:** € 49.56
**Availability:** ✅ In Stock

## Summary

> 🔍 Elevate your optics game with crystal-clear precision!

## Quick Answers

- **What is this?** Amlong Crystal Premium Optical Glass Double Convex and Double Concave Lens Set, 50mm Diameter with 3 Convex (20, 30, 50cm FL) and 3 Concave (20, 30, 50cm FL) by amlong crystal
- **How much does it cost?** € 49.56 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/164978191-amlong-crystal-premium-optical-glass-double-convex-and-double-concave)

## Best For

- amlong crystal enthusiasts

## Why This Product

- Trusted amlong crystal brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Dual Lens Set:** Combines convex and concave lenses for comprehensive optical demonstrations and applications.
- • **Consistent Diameter:** Uniform 50mm diameter ensures seamless integration and handling.
- • **Precision Perfected:** Crafted from premium optical glass for unmatched clarity and accuracy.
- • **Lab-Grade Reliability:** Engineered for professional and educational use, elevating your scientific toolkit.
- • **Versatile Focal Range:** Includes 3 double convex and 3 double concave lenses with 20, 30, and 50cm focal lengths to cover all your optical experiments.

## Overview

This 6-piece lens set features three double convex and three double concave lenses, each 50mm in diameter, made from high-grade optical glass. With focal lengths of 20, 30, and 50cm, it offers versatile, precise optical performance ideal for scientific experiments and professional demonstrations.

## Description

Amlong Crystal Premium Optical Glass Double Convex and Double Concave Lens Set, 50mm Diameter with 3 Convex (20, 30, 50cm FL) and 3 Concave (20, 30, 50cm FL)

## Features

- High Accuracy and Precision
- Made from High Grade Optical Glass
- 50mm Diameter, 3 Double Convex (20, 30, 50cm FL) and 3 Double Concave (20, 30, 50cm FL)

## Product Details

- **Brand:** Amlong Crystal
- **Focal Length Description:** 20, 30, 50 millimeters
- **Lens Type:** Standard
- **Maximum Focal Length:** 500 Millimeters
- **Minimum Focal Length:** 20 Millimeters

## Images

![Amlong Crystal Premium Optical Glass Double Convex and Double Concave Lens Set, 50mm Diameter with 3 Convex (20, 30, 50cm FL) and 3 Concave (20, 30, 50cm FL) - Image 1](https://m.media-amazon.com/images/I/51uncjMMRRL.jpg)

## Available Options

This product comes in different **Size** options.

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.gr/products/164978191-amlong-crystal-premium-optical-glass-double-convex-and-double-concave](https://www.desertcart.gr/products/164978191-amlong-crystal-premium-optical-glass-double-convex-and-double-concave)

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*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-03-07*