---
product_id: 161324267
title: "CVD II-VI ZNSE Lens CO2 Laser Engraver Cutter 40W 50W 60W 80W 100W 130W 150W 180W 200W Dia: 20mm FL: 4\" 101.6mm"
brand: "mcwlaser"
price: "$100.03"
currency: USD
in_stock: true
reviews_count: 13
category: "Mc Wlaser"
url: https://www.desertcart.us/products/161324267-cvd-ii-vi-znse-lens-co2-laser-engraver-cutter-40w
store_origin: US
region: United States of America
---

# 4" (101.6mm) focal length for sharp cuts 20mm diameter for optimal beam focus Precision ZnSe coating at 10600nm CVD II-VI ZNSE Lens CO2 Laser Engraver Cutter 40W 50W 60W 80W 100W 130W 150W 180W 200W Dia: 20mm FL: 4" 101.6mm

**Brand:** mcwlaser
**Price:** $100.03
**Availability:** ✅ In Stock

## Summary

> 🔬 Elevate your laser game with precision optics that professionals trust!

## Quick Answers

- **What is this?** CVD II-VI ZNSE Lens CO2 Laser Engraver Cutter 40W 50W 60W 80W 100W 130W 150W 180W 200W Dia: 20mm FL: 4" 101.6mm by mcwlaser
- **How much does it cost?** $100.03 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/161324267-cvd-ii-vi-znse-lens-co2-laser-engraver-cutter-40w)

## 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

- • **Perfect Focal Length:** 4-inch (101.6mm) focal length delivers razor-sharp focus for intricate designs.
- • **Plug-and-Play Upgrade:** Easy manual installation with guaranteed fit—upgrade your laser cutter without downtime.
- • **Optimized Beam Diameter:** 20mm lens diameter ensures superior beam quality and cutting precision.
- • **Industry-Leading ZnSe Coating:** Maximize laser transmission with premium II-VI ZnSe for crisp, clean engraving.
- • **Versatile Power Compatibility:** Seamlessly works with 30W to 200W CO2 laser systems—future-proof your setup.

## Overview

The MCWlaser CVD II-VI ZnSe Lens is a high-performance 20mm diameter, 4-inch focal length lens designed for CO2 laser engravers and cutters ranging from 30W to 200W. Featuring advanced II-VI ZnSe coating optimized for 10600nm wavelength, it delivers enhanced beam quality and cutting precision. Lightweight and easy to install, this lens is a reliable upgrade for professionals seeking sharper, cleaner laser engraving results.

## Description

Free delivery and returns on all eligible orders. Shop MCWlaser CVD II-VI ZNSE Lens CO2 Laser Engraver Cutter 40W 50W 60W 80W 100W 130W 150W 180W 200W Dia: 20mm FL: 4" 101.6mm.

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

- II-VI Znse coating 10600nm
- ET=2.3mm
- Diameter: 20mm,Focal length: 4" 101.6mm
- Work perfect with 30W -200W CO2 laser engraver cutter.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07M7DGX26 |
| Best Sellers Rank | 68,292 in DIY & Tools ( See Top 100 in DIY & Tools ) 38 in Engraving Tools |
| Brand | MCWlaser |
| Colour | Yellow |
| Country of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (322) |
| Manufacturer | Shanghai Top Nine Industrial Co.,Ltd |
| Material | Zinc Selenide |
| Operation Mode | Manual |
| Style | Laser |
| UPC | 671875157818 671875154664 |

## Product Details

- **Brand:** MCWlaser
- **Colour:** Yellow
- **Material:** Zinc Selenide
- **Operation mode:** Manual
- **Style:** Laser

## Images

![CVD II-VI ZNSE Lens CO2 Laser Engraver Cutter 40W 50W 60W 80W 100W 130W 150W 180W 200W Dia: 20mm FL: 4" 101.6mm - Image 1](https://m.media-amazon.com/images/I/51Pz9AYZWsL.jpg)

## Available Options

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

## 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 CVD ZnSe Focus Lens Dia: 20mm FL:4"/ 101.6mm for CO2 Laser Engraver Cutter 40W 50W 60W 80W 100W 130W 150W 180W 200W
- Cloudray CO2 Laser Lens 20mm Mirror, ZnSe for CO2 Laser Engraving/Cutting, 40W-200W, Dia 20mm FL101.6mm

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**Shop now:** [https://www.desertcart.us/products/161324267-cvd-ii-vi-znse-lens-co2-laser-engraver-cutter-40w](https://www.desertcart.us/products/161324267-cvd-ii-vi-znse-lens-co2-laser-engraver-cutter-40w)

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*Product available on Desertcart United States of America*
*Store origin: US*
*Last updated: 2026-05-19*