---
product_id: 171143878
title: "MCWlaser CVD II-VI ZnSe 12mm Focus Lens Focal Length 50.8mm/ 2 inch CO2 Laser Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W"
brand: "mcwlaser"
price: "€ 63.71"
currency: EUR
in_stock: true
reviews_count: 8
category: "Mc Wlaser"
url: https://www.desertcart.fr/products/171143878-mcwlaser-cvd-ii-vi-znse-12mm-focus-lens-focal-length
store_origin: FR
region: France
---

# 50.8mm focal length for razor-sharp focus Handles 40W-200W high-power CO2 lasers 99.8% transmittance for crystal-clear beam MCWlaser CVD II-VI ZnSe 12mm Focus Lens Focal Length 50.8mm/ 2 inch CO2 Laser Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W

**Brand:** mcwlaser
**Price:** € 63.71
**Availability:** ✅ In Stock

## Summary

> 🎯 Sharpen your laser game with pinpoint precision and power!

## Quick Answers

- **What is this?** MCWlaser CVD II-VI ZnSe 12mm Focus Lens Focal Length 50.8mm/ 2 inch CO2 Laser Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W by mcwlaser
- **How much does it cost?** € 63.71 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/171143878-mcwlaser-cvd-ii-vi-znse-12mm-focus-lens-focal-length)

## Best For

- mcwlaser enthusiasts

## Why This Product

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

## Key Features

- • **Universal Compatibility:** Seamlessly fits 40W-200W CO2 laser machines, perfect for pros upgrading their setup.
- • **Optimized Focal Spot Size:** Concentrates laser energy for cleaner, faster engraving and cutting results.
- • **Advanced Double-Sided Coating:** Extends lens lifespan while resisting heat and wear for consistent performance.
- • **Premium USA II-VI CVD ZnSe Material:** Engineered for unmatched durability and stable laser output under intense power.
- • **Precision Optics with Ultra-High Transmittance:** Maximize beam quality with ≥99.8% light transmission, minimizing energy loss.

## Overview

The MCWlaser CVD II-VI ZnSe 12mm Focus Lens is a high-performance optical component designed for CO2 laser engraving and cutting machines operating between 40W and 200W. Crafted from premium USA II-VI CVD ZnSe material, it offers exceptional durability and heat resistance. With a 50.8mm focal length and ≥99.8% transmittance, this lens ensures superior beam quality and efficient energy concentration, making it ideal for precise work on wood, acrylic, glass, leather, and plastics. Its double-sided coating enhances longevity and optical clarity, providing professionals a reliable upgrade for enhanced laser cutting and engraving precision.

## Description

Free delivery and returns on all eligible orders. Shop MCWlaser CVD II-VI ZnSe 12mm Focus Lens Focal Length 50.8mm/ 2 inch CO2 Laser Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W.

Review: Good Item with Fast Delivery - Good Item with Fast Delivery
Review: Good value, good fit. - Lens worked well in my k40 and there where no fitment issues. Slightly better cut but can't say huge improvement over the stock, perhaps just got a better stock lens.

## Features

- 【High-Quality CVD ZnSe Material】Made from premium USA II-VI CVD ZnSe, ensuring stable laser performance, excellent High-Power density endurance, and long service life. Compatible with 40W–200W 10600nm 10.6um CO2 lasers.
- 【Precise Specifications】Diameter 12mm (0.47 inch), Focal Length 50.8mm (2 inch), Thickness 2.0–2.2mm (0.08 inch), Transmittance ≥99.8% for superior beam quality and minimal loss.
- 【Exquisite Coating Process】High-grade double-sided solid coating extends service life. Precision cutting, polishing and grinding ensure reduced laser loss, excellent optical performance, resistance to wiping, and outstanding heat resistance – delivering consistently high efficiency.
- 【Efficient Focusing Performance】The CVD ZnSe laser focus lens produces a smaller focal spot, concentrating the energy more effectively and making CO2 laser engraving and cutting machines operate with greater efficiency.
- 【Wide Application & Compatibility】 Suitable as a CO2 replacement focus lens for most 40W–200W CO2 laser engraving and cutting machines, DIY and various CO2 laser systems. Ideal for precise engraving and cutting on wood, acrylic, glass, leather, plastic, and other non-metallic materials.
- 【Lens Shape】Plano-convex (some meniscus variations may occur in production, but optical performance remains the same).

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07MFQGKDH |
| Best Sellers Rank | 132,323 in DIY & Tools ( See Top 100 in DIY & Tools ) 99 in Engraving Tools |
| Brand | MCWlaser |
| Colour | Yellow |
| Country of Origin | China |
| Customer Reviews | 4.5 out of 5 stars 312 Reviews |
| Item Weight | 0.02 Kilograms |
| Item height | 2.5 millimetres |
| Item weight | 0.02 Kilograms |
| Manufacturer | Shanghai Top Nine Industrial Co.,Ltd |
| Material | CVD ZnSe |
| Operation Mode | Manual |
| Operation mode | Manual |
| Style | CVD ZnSe Lens |
| UPC | 671875154374 |

## Product Details

- **Brand:** MCWlaser
- **Material:** CVD ZnSe
- **Colour:** Yellow
- **Style:** CVD ZnSe Lens
- **Item weight:** 0.02 Kilograms

## Images

![MCWlaser CVD II-VI ZnSe 12mm Focus Lens Focal Length 50.8mm/ 2 inch CO2 Laser Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W - Image 1](https://m.media-amazon.com/images/I/31+piu96hqL.jpg)
![MCWlaser CVD II-VI ZnSe 12mm Focus Lens Focal Length 50.8mm/ 2 inch CO2 Laser Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W - Image 2](https://m.media-amazon.com/images/I/41fjQ9kdGJL.jpg)
![MCWlaser CVD II-VI ZnSe 12mm Focus Lens Focal Length 50.8mm/ 2 inch CO2 Laser Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W - Image 3](https://m.media-amazon.com/images/I/51EgrNPV7LL.jpg)
![MCWlaser CVD II-VI ZnSe 12mm Focus Lens Focal Length 50.8mm/ 2 inch CO2 Laser Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W - Image 4](https://m.media-amazon.com/images/I/61B-ahe3KiL.jpg)
![MCWlaser CVD II-VI ZnSe 12mm Focus Lens Focal Length 50.8mm/ 2 inch CO2 Laser Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W - Image 5](https://m.media-amazon.com/images/I/61oviS1OosL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Good Item with Fast Delivery
*by D***. on 15 August 2023*

Good Item with Fast Delivery

### ⭐⭐⭐⭐⭐ Good value, good fit.
*by G***Y on 14 September 2020*

Lens worked well in my k40 and there where no fitment issues. Slightly better cut but can't say huge improvement over the stock, perhaps just got a better stock lens.

### ⭐⭐⭐⭐⭐ Quality laser lense
*by R***N on 3 August 2020*

Unit came well packed and in a timely manner. Works really well and so far with reliable performance.

## Frequently Bought Together

- MCWlaser USA CVD II-VI ZnSe 12mm Laser Focus Lens Focal Length 50.8mm/ 2 inch CO2 Laser Lens for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W
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---

*Product available on Desertcart France*
*Store origin: FR*
*Last updated: 2026-01-22*