---
product_id: 285843263
title: "CNCOLETECH20mm ZnSe Focus Lens for CO2 10600nm 10.6um Laser Engraver Cutter Dia:20mm FL: 2\" 50.8mm"
brand: "cncoletech"
price: "1447952₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/285843263-cncoletech20mm-znse-focus-lens-for-co2-10600nm-10-6um-laser
store_origin: VN
region: Vietnam
---

# 20mm diameter, 2" focal length 30W-100W power compatible ≥99.5% transmittance CNCOLETECH20mm ZnSe Focus Lens for CO2 10600nm 10.6um Laser Engraver Cutter Dia:20mm FL: 2" 50.8mm

**Brand:** cncoletech
**Price:** 1447952₫
**Availability:** ✅ In Stock

## Summary

> 🎯 Sharpen your laser’s edge with pinpoint precision and unstoppable power!

## Quick Answers

- **What is this?** CNCOLETECH20mm ZnSe Focus Lens for CO2 10600nm 10.6um Laser Engraver Cutter Dia:20mm FL: 2" 50.8mm by cncoletech
- **How much does it cost?** 1447952₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/285843263-cncoletech20mm-znse-focus-lens-for-co2-10600nm-10-6um-laser)

## Best For

- cncoletech enthusiasts

## Why This Product

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

## Key Features

- • **Crafted for Excellence:** Expert slicing, polishing, and grinding deliver superior optical properties and reduced laser loss.
- • **Seamless Compatibility:** Optimized for 30W to 100W CO2 lasers, making upgrades and replacements effortless.
- • **Maximized Laser Efficiency:** Smaller focusing spot size concentrates energy, boosting your CO2 laser machine’s performance.
- • **Precision Engineered Optics:** High-quality PVD ZnSe crystal ensures ultra-clear laser focus for flawless engraving and cutting.
- • **Durability Meets Performance:** Double-sided solid coating resists wiping and high temperatures, keeping your lens pristine longer.

## Overview

The CNCOLETECH 20mm ZnSe Focus Lens is a premium optical component designed for CO2 laser engravers and cutters operating between 30W and 100W. Featuring a 20mm diameter and 50.8mm focal length, it boasts ≥99.5% transmittance thanks to advanced PVD ZnSe material and double-sided solid coatings. Precision manufacturing ensures reduced laser loss, high temperature resistance, and enhanced durability, making it an essential upgrade for professionals seeking sharper, faster, and more efficient laser performance.

## Description

CNCOLETECH20mm ZnSe Focus Lens for CO2 10600nm 10.6um Laser Engraver Cutter Dia:20mm FL: 2" 50.8mm

## Features

- Material: High quality PVD ZnSe material. Compatible power: 30W-100W
- Diameter: 20mm/0.79"; Focal Length:50.8mm/2"; Thickness:2.0-2.2mm/0.08"; Transmittance: ≥99.5%
- Exquisite Technology: Superb Double-sided solid coating, precision slicing, polishing and grinding process, Reduced laser loss, wiping resistant, high temperature resistance, excellent optical properties, high working efficiency.
- High efficiency: PVD ZnSe CO2 laser focus lens has Focusing Spot Size more Smaller, the energy is more concentrated, making the CO2 laser engraving, cutting machine more efficient.
- Application: CO2 laser lens are mainly used in CO2 laser engraving and cutting well.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | CNCOLETECH |
| Model Number | LENS-20-508 |
| Color | 20mm |
| Package Dimensions | 7.19 x 6.1 x 2.31 cm; 18 g |
| Material | Crystal |
| Item Weight | 18 g |

## Product Details

- **Brand:** CNCOLETECH
- **Material:** Zinc Selenide
- **Colour:** 20mm
- **Style:** Laser
- **Item weight:** 0.02 Kilograms

## Images

![CNCOLETECH20mm ZnSe Focus Lens for CO2 10600nm 10.6um Laser Engraver Cutter Dia:20mm FL: 2" 50.8mm - Image 1](https://m.media-amazon.com/images/I/51Zw9NEIwOL.jpg)
![CNCOLETECH20mm ZnSe Focus Lens for CO2 10600nm 10.6um Laser Engraver Cutter Dia:20mm FL: 2" 50.8mm - Image 2](https://m.media-amazon.com/images/I/614ZyGFAJwL.jpg)
![CNCOLETECH20mm ZnSe Focus Lens for CO2 10600nm 10.6um Laser Engraver Cutter Dia:20mm FL: 2" 50.8mm - Image 3](https://m.media-amazon.com/images/I/71eVDccCRfL.jpg)
![CNCOLETECH20mm ZnSe Focus Lens for CO2 10600nm 10.6um Laser Engraver Cutter Dia:20mm FL: 2" 50.8mm - Image 4](https://m.media-amazon.com/images/I/51fVCW2+plL.jpg)
![CNCOLETECH20mm ZnSe Focus Lens for CO2 10600nm 10.6um Laser Engraver Cutter Dia:20mm FL: 2" 50.8mm - Image 5](https://m.media-amazon.com/images/I/61SuSgEpjaL.jpg)

## Available Options

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

## Questions & Answers

**Q: The focus of this lens is 101.6mm**
A: My set up is 2" (50.8 mm).  if you're having trouble, the lens may be installed upside down. Theory says: Convex side towards the beam (up). Western laser machines - and Korean -always has Convex up. Chinese used to set Convex down.

**Q: What is the purpose?**
A: It's good for 40W-150W CO2 laser tube / laser enngraving and cutting machine.

**Q: What is the purpose?**
A: To Control The focal distance between the laser and the material surface.

**Q: it says 20 pieces for this.... do you get 20 lenses?**
A: por el precio parece que solo uno

## Frequently Bought Together

- CNCOLETECH 20mm CO2 Laser Lens, 50.8mm Focal Length, PVD ZnSe Material, 30W-100W Compatible, For CO2 Laser Engraving & Cutting
- Cloudray Mo Mirror Dia 25mm (0.98 Inch) Thk 3mm (0.12 Inch) for CO2 laser engraving cutting machine Pack of 3PCS
- Cloudray CO2 Laser Lens 20mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,CVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 40W-200W,Dia 20mm FL50.8mm

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-03-13*