---
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: "119.81 DT"
currency: TND
in_stock: true
reviews_count: 9
category: "Amlong Crystal"
url: https://www.desertcart.tn/products/164978191-amlong-crystal-premium-optical-glass-double-convex-and-double-concave
store_origin: TN
region: Tunisia
---

# 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:** 119.81 DT
**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?** 119.81 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/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

Experience superior optical performance with this comprehensive 6-piece lens set featuring premium optical glass construction. The set includes three double convex lenses with focal lengths of 20cm, 30cm, and 50cm, complemented by three double concave lenses with matching focal lengths. Each lens measures 50mm in diameter and is crafted with high-grade optical glass to ensure exceptional accuracy and precision in optical applications. This versatile collection of precision-engineered lenses is ideal for various optical experiments and demonstrations, offering both convex and concave configurations for diverse optical needs.

Review: Used for school project! - Bought these for my middle school science class to make their own telescopes. Was a really fun lab and they worked great!
Review: Great Clarity - I got these for a personal project. I needed to modify the focus of a laser. The clarity and quality on these was great.

## 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)

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07Z3CVFMB |
| Best Sellers Rank | #55,354 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #12 in Science Classroom Optics Kits |
| Brand | Amlong Crystal |
| Camera Lens | Set of 6 optical glass lenses including 3 double convex (20cm, 30cm, 50cm focal length) and 3 double concave (20cm, 30cm, 50cm focal length), each 50mm in diameter |
| Camera Lens Description | Set of 6 optical glass lenses including 3 double convex (20cm, 30cm, 50cm focal length) and 3 double concave (20cm, 30cm, 50cm focal length), each 50mm in diameter Camera Lens Description Set of 6 optical glass lenses including 3 double convex (20cm, 30cm, 50cm focal length) and 3 double concave (20cm, 30cm, 50cm focal length), each 50mm in diameter See more |
| Color | Clear |
| Compatible Camera Mount | [NA] |
| Compatible Mountings | [NA] |
| Customer Reviews | 4.4 out of 5 stars 153 Reviews |
| Exposure Control Type | Automatic, Manual |
| Focal Length Description | 20, 30, 50 millimeters |
| Focus Type | Fixed Focus |
| Image stabilization | No image stabilization |
| Lens | Standard |
| Lens Design | Prime |
| Lens Mount | Canon EF, Nikon F |
| Lens Type | Standard |
| Manufacturer | Amlong Crystal |
| Manufacturer Part Number | PCCL-50-6 |
| Maximum Focal Length | 500 Millimeters |
| Media Type | ProductImage |
| Minimum Focal Length | 20 Millimeters |
| Model Name | PCCL-50-6 |
| Model Number | PCCL-50-6 |
| Photo Filter Size | 50 Millimeters |
| Screen Size | 50 Millimeters |
| UPC | 816002025589 |
| Unit Count | 6.0 Count |
| Water Resistance Level | Not Water Resistant |

## Product Details

- **Brand:** Amlong Crystal
- **Compatible Mountings:** [NA]
- **Focal Length Description:** 20, 30, 50 millimeters
- **Lens Type:** Standard

## 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.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Used for school project!
*by D***S on November 7, 2024*

Bought these for my middle school science class to make their own telescopes. Was a really fun lab and they worked great!

### ⭐⭐⭐⭐⭐ Great Clarity
*by J***L on July 30, 2025*

I got these for a personal project. I needed to modify the focus of a laser. The clarity and quality on these was great.

### ⭐⭐⭐⭐ did not disappoint
*by S***E on July 16, 2025*

good quality

## Frequently Bought Together

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*Product available on Desertcart Tunisia*
*Store origin: TN*
*Last updated: 2026-06-05*