---
product_id: 372956336
title: "OMTech 18mm ZnSe Focus Lens Replacement, 2\" Focal Length"
brand: "omtech"
price: "R$521"
currency: BRL
in_stock: true
category: "Om Tech"
url: https://www.desertcart.com.br/products/372956336-omtech-18mm-znse-focus-lens-replacement-2-focal-length
store_origin: BR
region: Brazil
---

# 99.5%+ infrared transmittance CVD ZnSe premium optical material 18mm precision focal length OMTech 18mm ZnSe Focus Lens Replacement, 2" Focal Length

**Brand:** omtech
**Price:** R$521
**Availability:** ✅ In Stock

## Summary

> 🔍 Focus on perfection, cut through the competition!

## Quick Answers

- **What is this?** OMTech 18mm ZnSe Focus Lens Replacement, 2" Focal Length by omtech
- **How much does it cost?** R$521 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.com.br](https://www.desertcart.com.br/products/372956336-omtech-18mm-znse-focus-lens-replacement-2-focal-length)

## Best For

- omtech enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Scratch-resistant coatings ensure your lens stays pristine and reliable through countless engraving projects.
- • **Crystal-Clear Precision:** Engineered with 18mm fixed focal length for razor-sharp laser focus and unmatched engraving accuracy.
- • **Plug & Play Compatibility:** Designed for seamless fit with 50W-80W CO2 laser machines—easy installation means less downtime, more productivity.
- • **Premium CVD ZnSe Material:** Crafted from high-quality chemical vapor deposition zinc selenium for superior optical clarity and durability.
- • **Maximized Infrared Efficiency:** Double-sided antireflective coatings deliver over 99.5% transmittance at 10.6 microns, boosting laser power output.

## Overview

The OMTech 18mm ZnSe Focus Lens Replacement is a high-performance plano-convex lens designed for 50W-80W CO2 laser engravers. Made from premium CVD zinc selenium with double-sided antireflective and scratch-resistant coatings, it achieves over 99.5% infrared light transmittance at 10.6 microns. This durable lens ensures precise laser focusing for enhanced engraving accuracy and efficiency, making it an essential upgrade for professional-grade laser cutting and engraving.

## Description

Buy OMTech 18mm ZnSe Focus Lens Replacement, 2" Focal Length | CVD ZnSe | 99.5%+ transmittance | 2" focal length | Fits 50W-80W CO2 lasers: SLR Camera Lenses - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- High-Quality CVD ZnSe: OMTech's powerful focus lenses are manufactured from premium zinc selenium via chemical vapor deposition for superior optical properties
- High Transmittance: Both sides of each lens are coated with strongly antireflective coatings to achieve a better than 99.5% transmittance rate for infrared light at a wavelength of 10.6 microns
- Lasting Durability: Our laser engraver focus lenses' double-sided coating process also ensures outstanding scratch resistance for a long service life
- Wide Compatibility: This 18mm laser focus lens can be used in your 50W-80W CO2 laser engraving and cutting machine for more accurate and efficient production
- Easy to Use: The plano-convex shape of OMTech's engraver focal lens lets you install it easily and correctly onto your machine in the proper orientation; detailed cleaning instructions also help you take the best care of your lens

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09B3FPPSF |
| Best Sellers Rank | #51,369 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #95 in Jewelry Making Engraving Machines & Tools |
| Brand | OMTech |
| Camera Lens | 18 millimetres |
| Color | yellow |
| Customer Reviews | 4.8 4.8 out of 5 stars (52) |
| Exposure Control Type | Manual |
| Focal Length Description | 18 mm |
| Focus Type | Fixed Focus |
| Image stabilization | Optical |
| Item Highlight | CVD ZnSe | 99.5%+ transmittance | 2" focal length | Fits 50W-80W CO2 lasers |
| Lens | Standard |
| Lens Coating Description | strongly antireflective, scratch-resistant |
| Lens Design | Zoom |
| Lens Fixed Focal Length | 5.1 centimeters |
| Manufacturer | OMTech |
| Manufacturer Part Number | RYGEL-LELI01820 |
| Media Type | ProductImage |
| Model Name | RYGEL-LELI01820 |
| Model Number | RYGEL-LELI01820 |
| Number of Diaphragm Blades | 7 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Photo Filter Size | 18 millimeters |
| Screen Size | 2 inches |
| Unit Count | 1 Count |
| Water Resistance Level | Not Water Resistant |
| Zoom Ratio | 1:1 |

## Product Details

- **Brand:** OMTech
- **Camera Lens Description:** 18 millimetres
- **Focal Length Description:** 18 mm
- **Lens Design:** Zoom
- **Lens Type:** Standard

## Images

![OMTech 18mm ZnSe Focus Lens Replacement, 2" Focal Length - Image 1](https://m.media-amazon.com/images/I/617eiU+9XOL.jpg)

## Available Options

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

## Frequently Bought Together

- OMTech 18mm ZnSe Focus Lens, CVD ZnSe CO2 Laser Engraver Focal Lens with 2 Inch Focal Length, 2" FL Zinc Selenium Replacement Lens for 50W 60W 70W 80W Laser Engraving Machines, 99.5+ Transmittance
- OMTech Laser Cutting Mirror Set, 25mm Molybdenum Replacement Mirrors for CO2 Laser Engraving Machines, Precision Highly Reflective Mo Mirrors for 50W to 200W CO2 Laser Engravers, Set of 3
- 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

---

## Why Shop on Desertcart?

- 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016
- 🌍 **Shop Globally** — Access 737+ million products across 21 categories
- 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price
- 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members)
- 🔒 **Secure Payments** — Trusted payment options with buyer protection
- ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews

**Shop now:** [https://www.desertcart.com.br/products/372956336-omtech-18mm-znse-focus-lens-replacement-2-focal-length](https://www.desertcart.com.br/products/372956336-omtech-18mm-znse-focus-lens-replacement-2-focal-length)

---

*Product available on Desertcart Brazil*
*Store origin: BR*
*Last updated: 2026-09-27*