---
product_id: 488791902
title: "(Dia 18mm (0.71 inch) FL 50.8mm (2 inches)) - Cloudray CO2 Laser Focus Lens Dia 18mm (0.71 inch) FL 50.8mm (2 inches) China PVD ZnSe for CO2 Laser Engraver Cutter"
brand: "cloudray"
price: "€ 1.75"
currency: EUR
in_stock: false
url: https://www.desertcart.nl/products/488791902-dia-18mm-0-71-inch-fl-50-8mm-2-inches
store_origin: NL
region: Netherlands
---

# 50.8mm focal length for sharp focus 18mm precision diameter ≥99.5% transmittance with double-sided coating (Dia 18mm (0.71 inch) FL 50.8mm (2 inches)) - Cloudray CO2 Laser Focus Lens Dia 18mm (0.71 inch) FL 50.8mm (2 inches) China PVD ZnSe for CO2 Laser Engraver Cutter

**Brand:** cloudray
**Price:** € 1.75
**Availability:** ❌ Out of Stock

## Summary

> 🎯 Sharpen your laser game with Cloudray’s precision focus lens!

## Quick Answers

- **What is this?** (Dia 18mm (0.71 inch) FL 50.8mm (2 inches)) - Cloudray CO2 Laser Focus Lens Dia 18mm (0.71 inch) FL 50.8mm (2 inches) China PVD ZnSe for CO2 Laser Engraver Cutter by cloudray
- **How much does it cost?** € 1.75 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.nl](https://www.desertcart.nl/products/488791902-dia-18mm-0-71-inch-fl-50-8mm-2-inches)

## Best For

- cloudray enthusiasts

## Why This Product

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

## Key Features

- • **Crystal Clear Focus:** 50.8mm focal length ensures razor-sharp engraving and cutting
- • **Precision Perfected:** 18mm diameter lens engineered for pinpoint laser accuracy
- • **Maximized Efficiency:** ≥99.5% transmittance boosts laser power delivery and cutting precision
- • **Seamless Compatibility:** Optimized for 30W-100W CO2 laser engravers and cutters, ready to elevate your workflow
- • **Durability Meets Performance:** High-quality PVD ZnSe material with double-sided solid coating for long-lasting use

## Overview

The Cloudray CO2 Laser Focus Lens features an 18mm diameter and 50.8mm focal length, crafted from high-quality PVD ZnSe with a double-sided solid coating. Designed for 30W-100W CO2 laser engravers and cutters, it delivers ≥99.5% transmittance for superior cutting and engraving precision, ensuring durability and long-term performance.

## Description

18mm CO2 Laser Lens, Focus Lens 50.8mm / 2" Focal for CO2 Laser Engraver Cutting Cutter

## Features

- Material: High Quality PVD Znse,compatible power: 30W-100W
- Diameter: 18mm/0.71"; Focal Length: 50.8mm/2"; Thickness: 2.4mm/0.09"
- Shape: Meniscus; Transmittance: ≥99.5%;Package includes: 1 x Lens
- Superb Coating Process: Double-sided Solid Coating. Wiping Resistance. Long Working Life
- Usage: CO2 Laser Lens for CO2 laser engraving, cutting machine

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Cloudray |
| Material | Metal |
| Colour | Dia 18mm(0.71") |
| Style | Laser |
| Item Weight | 20 Grams |
| Operation Mode | Automatic |
| UPC | 669819730395 |
| Manufacturer | Cloudray |
| Model number | PVD ZnSe D18 F50.8 ET2 (Meniscus) |
| Number of Memory Sticks | 1 |
| Item Weight | 20 g |
| Product Dimensions | 12.95 x 9.4 x 8.64 cm; 20 g |
| Item model number | PVD ZnSe D18 F50.8 ET2 (Meniscus) |
| Item Height | 3.4 Inches |
| Item Width | 3.7 Inches |
| Display Size | 2 Inches |
| Voltage | 1.5 Volts |
| Hardware Platform | smartphone |
| Included Components | 1 PCS China PVD Focus Lens & 1 PCS box |
| Battery type | lithium-ion |
| Are batteries included? | No |

## Product Details

- **Brand:** Cloudray
- **Material:** Metal
- **Colour:** Dia 18mm(0.71")
- **Style:** Laser
- **Item Weight:** 20 Grams

## Images

![(Dia 18mm (0.71 inch) FL 50.8mm (2 inches)) - Cloudray CO2 Laser Focus Lens Dia 18mm (0.71 inch) FL 50.8mm (2 inches) China PVD ZnSe for CO2 Laser Engraver Cutter - Image 1](https://m.media-amazon.com/images/I/41RhnxV-+lL.jpg)
![(Dia 18mm (0.71 inch) FL 50.8mm (2 inches)) - Cloudray CO2 Laser Focus Lens Dia 18mm (0.71 inch) FL 50.8mm (2 inches) China PVD ZnSe for CO2 Laser Engraver Cutter - Image 2](https://m.media-amazon.com/images/I/51DJuf8Lv6L.jpg)
![(Dia 18mm (0.71 inch) FL 50.8mm (2 inches)) - Cloudray CO2 Laser Focus Lens Dia 18mm (0.71 inch) FL 50.8mm (2 inches) China PVD ZnSe for CO2 Laser Engraver Cutter - Image 3](https://m.media-amazon.com/images/I/41cbAwmDQML.jpg)
![(Dia 18mm (0.71 inch) FL 50.8mm (2 inches)) - Cloudray CO2 Laser Focus Lens Dia 18mm (0.71 inch) FL 50.8mm (2 inches) China PVD ZnSe for CO2 Laser Engraver Cutter - Image 4](https://m.media-amazon.com/images/I/41ys3gpcBOL.jpg)
![(Dia 18mm (0.71 inch) FL 50.8mm (2 inches)) - Cloudray CO2 Laser Focus Lens Dia 18mm (0.71 inch) FL 50.8mm (2 inches) China PVD ZnSe for CO2 Laser Engraver Cutter - Image 5](https://m.media-amazon.com/images/I/51UKYFV7-KL.jpg)

## Questions & Answers

**Q: Will this fit a Omtech 70 watt that used 18mm with 2" focal?**
A: It fits my OMTECH AD2440 100Watt. It should fit yours. Measure the diameter of your current lens.

**Q: Is this a meniscus lens?**
A: Yes. That is meniscus lens.

**Q: What is the actual delivery date?**
A: This specification of 18-50.8 is delivered by Amazon. It is available in the Amazon warehouse in the United States. Normally it takes about 3-10 days.

**Q: Which side should face work ? Convex or concave ?**
A: The convex side of the lens faces upward, and the concave side faces the sculpture, the wavelength is 10.6um

## Frequently Bought Together

- Cloudray CO2 Laser Lens 18mm Laser Mirror CO2 Laser Focal Lens CO2 Focus Lens,PVD ZnSe for CO2 Laser Engraving Cutting Machine,Laser Cutter 30W-100W,Dia 18mm FL50.8mm
- Cloudray Laser Si Reflective Lens Gold Plated Mirror 25mm for CO2 Laser Engraving & Cutting, 3PCS
- Cloudray Mo Mirror Dia 19.05mm (0.75 Inch) Thk 3mm (0.12 Inch) for CO2 Laser Engraving Cutting Machine Pack of 3PCS

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*Product available on Desertcart Netherlands*
*Store origin: NL*
*Last updated: 2026-02-17*