--- product_id: 372956336 title: "18mm USA CVD Znse Laser Focus Lens" brand: "omtech" price: "฿3577" currency: THB in_stock: true reviews_count: 3 category: "Om Tech" url: https://www.desertcart.co.th/products/372956336-18mm-usa-cvd-znse-laser-focus-lens store_origin: TH region: Thailand --- # 99.5%+ infrared transmittance CVD ZnSe premium optical material 18mm precision focal length 18mm USA CVD Znse Laser Focus Lens **Brand:** omtech **Price:** ฿3577 **Availability:** ✅ In Stock ## Summary > 🔍 Focus on perfection, cut through the competition! ## Quick Answers - **What is this?** 18mm USA CVD Znse Laser Focus Lens by omtech - **How much does it cost?** ฿3577 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.th](https://www.desertcart.co.th/products/372956336-18mm-usa-cvd-znse-laser-focus-lens) ## 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 Review: Perfect fit for my 80W CO2 laser - I bought these as replacement lenses for my 80W CO2 laser and they've worked great. They fit right in without any problems and I've had no complaints with their performance. Nice to have replacements on hand, especially if you use your laser regularly. Review: Excellent lens and very good quality - Purchased this to replace the lense in my OMTech 80w laser and it works great. After I was unable to clean some grime off me lens I found this one and I’m very happy with the results. ## 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 | #101,011 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #263 in Jewelry Making Engraving Machines & Tools | | Brand | OMTech | | Camera Lens | 18 millimetres | | Camera Lens Description | 18 millimetres | | Color | yellow | | Customer Reviews | 4.8 out of 5 stars 53 Reviews | | 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 | | Lens Type | Standard | | 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 ![18mm USA CVD Znse Laser Focus Lens - Image 1](https://m.media-amazon.com/images/I/617eiU+9XOL.jpg) ![18mm USA CVD Znse Laser Focus Lens - Image 2](https://m.media-amazon.com/images/I/61bAb-zSbrL.jpg) ![18mm USA CVD Znse Laser Focus Lens - Image 3](https://m.media-amazon.com/images/I/61uZwbNQc+L.jpg) ![18mm USA CVD Znse Laser Focus Lens - Image 4](https://m.media-amazon.com/images/I/71a1xvq1vaL.jpg) ![18mm USA CVD Znse Laser Focus Lens - Image 5](https://m.media-amazon.com/images/I/71Hk0Okne6L.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Perfect fit for my 80W CO2 laser *by R***Y on September 14, 2026* I bought these as replacement lenses for my 80W CO2 laser and they've worked great. They fit right in without any problems and I've had no complaints with their performance. Nice to have replacements on hand, especially if you use your laser regularly. ### ⭐⭐⭐⭐⭐ Excellent lens and very good quality *by M***P on November 29, 2025* Purchased this to replace the lense in my OMTech 80w laser and it works great. After I was unable to clean some grime off me lens I found this one and I’m very happy with the results. ### ⭐⭐⭐⭐⭐ 60w omtech *by C***. on July 27, 2025* Good replacement lens for my omtech 60w mf2028 ## 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.co.th/products/372956336-18mm-usa-cvd-znse-laser-focus-lens](https://www.desertcart.co.th/products/372956336-18mm-usa-cvd-znse-laser-focus-lens) --- *Product available on Desertcart Thailand* *Store origin: TH* *Last updated: 2026-10-11*