---
product_id: 316356879
title: "CNCOLETECH CVD II-VI ZnSe Focus Lens Dia:25mm FL:2\" or 50.8mm for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W"
brand: "cncoletech"
price: "¥23318"
currency: JPY
in_stock: true
reviews_count: 13
category: "Cncoletech"
url: https://www.desertcart.jp/products/316356879-cncoletech-cvd-ii-vi-znse-focus-lens-dia-25mm-fl
store_origin: JP
region: Japan
---

# 25mm diameter, 50.8mm focal length Supports 40W-500W laser power ≥99.8% transmittance CNCOLETECH CVD II-VI ZnSe Focus Lens Dia:25mm FL:2" or 50.8mm for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W

**Brand:** cncoletech
**Price:** ¥23318
**Availability:** ✅ In Stock

## Summary

> 🎯 Sharpen your laser’s edge with CNCOLETECH precision optics!

## Quick Answers

- **What is this?** CNCOLETECH CVD II-VI ZnSe Focus Lens Dia:25mm FL:2" or 50.8mm for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W by cncoletech
- **How much does it cost?** ¥23318 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/316356879-cncoletech-cvd-ii-vi-znse-focus-lens-dia-25mm-fl)

## 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

- • **Effortless Upgrade:** Precision slicing and polishing deliver immediate power boost and clarity—transform your machine’s output.
- • **Seamless Compatibility:** Optimized for 40W-500W CO2 laser systems, perfect upgrade for your laser engraver fleet.
- • **Maximized Laser Efficiency:** Smaller focusing spot size concentrates energy for faster, cleaner engraving and cutting.
- • **Precision Engineered Optics:** High-class CVD ZnSe material from US II-VI ensures ultra-stable laser performance and longevity.
- • **Durability Meets Performance:** Double-sided solid coating resists wear, high temperatures, and laser loss for extended service life.

## Overview

The CNCOLETECH CVD II-VI ZnSe Focus Lens (25mm diameter, 50.8mm focal length) is crafted from premium US II-VI CVD ZnSe material, offering ≥99.8% transmittance and compatibility with 40W-500W CO2 lasers. Its double-sided solid coating enhances durability and reduces laser loss, delivering a smaller, more concentrated laser spot for superior engraving and cutting efficiency. Trusted by professionals to upgrade and extend the life of their laser systems.

## Description

Free delivery and returns on eligible orders. Buy CNCOLETECH CVD II-VI ZnSe Focus Lens Dia:25mm FL:2" or 50.8mm for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W at desertcart UK.

Review: Really quite superb - These have become my lens of choice for my fleet of 12 CO2 laser engravers. I don't think you can do any better for the money! Remember to put them in the correct orientation! :) Highly recommended!
Review: Awesome - Transformed my k40, stock lens was cloudy and brittle (few places chipped) creating a half moon when fired. This little gem sorted that and have me the power the machine should produce. Thank you

## Features

- Material: High class CVD ZnSe material (US II-VI). High-quality materials ensure more stable laser system; excellent High-Power density endurance.
- Diameter: 25mm/0.98"; Focal Length:50.8mm/2"; Thickness:3mm/0.12"; Transmittance: ≥99.8%. Compatible power: 40W-500W.
- Exquisite Process: Superb Double-sided solid coating, not easy to fall off, increase service life, precision slicing, polishing and grinding process, Reduced laser loss, wiping resistant, high temperature resistance, excellent optical properties, high working efficiency.
- High efficiency: CVD ZnSe Laser Focus Lens has smaller focusing spot size, the energy is more concentrated, making the CO2 laser engraving, cutting machine more efficient.
- Usage: CO2 replacement laser lens are mainly used in CO2 laser engraving and cutting well.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08CN2WYVR |
| Best Sellers Rank | 347,830 in DIY & Tools ( See Top 100 in DIY & Tools ) 414 in Engraving Tools |
| Brand | CNCOLETECH |
| Colour | Dia: 25mm Fl:2"/50.8mm |
| Customer Reviews | 4.6 4.6 out of 5 stars (429) |
| Date First Available | 29 July 2018 |
| Item Weight | 18 g |
| Manufacturer | Shanghai Top Nine Industrial Co.,Ltd |
| Manufacturer Part Number | LM-26-25508 |
| Material Type | CVD ZnSe |
| Model Number | LM-26-25508 |
| Number of Items | 1 |
| Package Dimensions | 7.9 x 7.19 x 2.21 cm; 18 g |
| Size | Dia: 25mm FL:2"/50.8mm |

## Product Details

- **Brand:** CNCOLETECH
- **Colour:** Dia: 25mm Fl:2"/50.8mm
- **Item weight:** 0.02 Kilograms
- **Material:** CVD ZnSe
- **Style:** Laser

## Images

![CNCOLETECH CVD II-VI ZnSe Focus Lens Dia:25mm FL:2" or 50.8mm for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W - Image 1](https://m.media-amazon.com/images/I/5148Vk-CBiL.jpg)
![CNCOLETECH CVD II-VI ZnSe Focus Lens Dia:25mm FL:2" or 50.8mm for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W - Image 2](https://m.media-amazon.com/images/I/51GOWiLkwcL.jpg)
![CNCOLETECH CVD II-VI ZnSe Focus Lens Dia:25mm FL:2" or 50.8mm for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W - Image 3](https://m.media-amazon.com/images/I/51ZDozGaycL.jpg)
![CNCOLETECH CVD II-VI ZnSe Focus Lens Dia:25mm FL:2" or 50.8mm for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W - Image 4](https://m.media-amazon.com/images/I/61+HRFvoeqL.jpg)
![CNCOLETECH CVD II-VI ZnSe Focus Lens Dia:25mm FL:2" or 50.8mm for CO2 Laser Engraving Cutting Engraver/Cutter 40W-200W - Image 5](https://m.media-amazon.com/images/I/61H++Pjp16L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Really quite superb
*by C***S on 30 July 2023*

These have become my lens of choice for my fleet of 12 CO2 laser engravers. I don't think you can do any better for the money! Remember to put them in the correct orientation! :) Highly recommended!

### ⭐⭐⭐⭐⭐ Awesome
*by M***N on 12 November 2019*

Transformed my k40, stock lens was cloudy and brittle (few places chipped) creating a half moon when fired. This little gem sorted that and have me the power the machine should produce. Thank you

### ⭐⭐⭐⭐⭐ Quality product
*by O***K on 3 October 2020*

Quality product. Far superior to lens supplied with K40. Certainly made a vast improvement on cutting and reducing burn.

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-17*