--- product_id: 30139431 title: "CO2 Laser Lens 18mm Mirror Focus Lens PVD ZnSe FL 50.8mm / 2\" for CO2 Laser Engraving Cutting Machine 30W-100W" brand: "cncoletech" price: "1106522₫" currency: VND in_stock: true reviews_count: 10 category: "Cncoletech" url: https://www.desertcart.vn/products/30139431-co2-laser-lens-18mm-mirror-focus-lens-pvd-znse-fl store_origin: VN region: Vietnam --- # 30W-100W power compatibility ≥99.5% transmittance 18mm precision diameter CO2 Laser Lens 18mm Mirror Focus Lens PVD ZnSe FL 50.8mm / 2" for CO2 Laser Engraving Cutting Machine 30W-100W **Brand:** cncoletech **Price:** 1106522₫ **Availability:** ✅ In Stock ## Summary > 💥 Sharpen your laser game with crystal-clear focus! ## Quick Answers - **What is this?** CO2 Laser Lens 18mm Mirror Focus Lens PVD ZnSe FL 50.8mm / 2" for CO2 Laser Engraving Cutting Machine 30W-100W by cncoletech - **How much does it cost?** 1106522₫ with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/30139431-co2-laser-lens-18mm-mirror-focus-lens-pvd-znse-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 - • **Next-Level Efficiency:** Smaller focusing spot size concentrates energy for faster, cleaner engraving and cutting - • **Durable PVD ZnSe Coating:** Double-sided solid coating resists heat and wear for long-lasting performance - • **Pinpoint Precision Focus:** 18mm diameter with 50.8mm focal length for razor-sharp laser accuracy - • **Powerhouse Compatibility:** Optimized for 30W-100W CO2 laser machines to maximize output - • **Ultra-High Transmittance:** Over 99.5% light transmission ensures minimal energy loss and peak efficiency ## Overview This CO2 Laser Lens features a high-quality PVD ZnSe material with an 18mm diameter and 50.8mm focal length, designed for 30W-100W laser engraving and cutting machines. Its double-sided solid coating offers exceptional durability and heat resistance, while delivering over 99.5% transmittance for superior laser efficiency and precision. ## Description Buy CNCOLETECH CO2 Laser Lens 18mm Mirror Focus Lens PVD ZnSe FL 50.8mm / 2" for CO2 Laser Engraving Cutting Machine 30W-100W: Optics - desertcart.com ✓ FREE DELIVERY possible on eligible purchases Review: Everything as advertised, works better than original. - Why did you pick this product vs others?: The item met the specifications I needed. Review: Instant power up! - I bought the air assist that allows use of 18mm lens, so I gave this lens a shot, the price is decent and the spec. Looked not much different than the more expensive brands. Got it today with also the mirrors from The same sellers. So I installed it in my K40 laser engraver replacing the stock laser head with the new LO head with air assist with the new lens and mirror. InScrewed up the alignment at first, but after making some adjustment and set power to 10% and test it on a cardboard. BAM! It cut thru the cardboard in one pass while before it only leaves a line! Who knows, maybe the alignment was off before, but I definitely think the lens made a difference, for the quality of the coating on both the lens and mirror are better than the stock. It is a worthy upgrade, now marking on stainless turns out great, really helps serve the purpose of getting the K40 in the first place. ## Features - Material: High quality PVD ZnSe material. Compatible power: 30W-100W - Diameter: 18mm/0.71"; Focal Length: 50.8mm/2";Thickness: 2.0-2.2mm/0.08"; Transmittance: ≥99.5%. - Exquisite Technology: Superb Double-sided solid coating, precision slicing, polishing and grinding process, Reduced laser loss, wiping resistant, high temperature resistance, excellent optical properties, high working efficiency. - High efficiency: PVD ZnSe CO2 laser focus lens has Focusing Spot Size more Smaller, the energy is more concentrated, making the CO2 laser engraving, cutting machine more efficient. - Application: CO2 laser lens are mainly used in CO2 laser engraving and cutting well. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B01DP2HMPK | | Best Sellers Rank | #43,038 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #73 in Jewelry Making Engraving Machines & Tools | | Brand | CNCOLETECH | | Brand Name | CNCOLETECH | | Color | 18mm | | Customer Reviews | 4.6 out of 5 stars 235 Reviews | | Item Dimensions L x W | 2"L x 0.71"W | | Item Weight | 0.02 kg | | Manufacturer | Shanghai Top Nine Industrial Co.,Ltd | | Manufacturer Part Number | lens-znse-18 | | Material | ZnSe | | Material Type | ZnSe | | Model Number | lens-znse-18 | | Number of Items | 1 | | Operation Mode | Automatic | | Product Dimensions | 2"L x 0.71"W | | Style | PVD ZnSe | | Style Name | PVD ZnSe | | Unit Count | 1 Count | ## Product Details - **Brand:** CNCOLETECH - **Color:** 18mm - **Material:** ZnSe - **Product Dimensions:** 2"L x 0.71"W - **Style:** PVD ZnSe ## Images ![CO2 Laser Lens 18mm Mirror Focus Lens PVD ZnSe FL 50.8mm / 2" for CO2 Laser Engraving Cutting Machine 30W-100W - Image 1](https://m.media-amazon.com/images/I/51Zw9NEIwOL.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Everything as advertised, works better than original. *by D***I on June 21, 2025* Why did you pick this product vs others?: The item met the specifications I needed. ### ⭐⭐⭐⭐⭐ Instant power up! *by S***I on February 17, 2020* I bought the air assist that allows use of 18mm lens, so I gave this lens a shot, the price is decent and the spec. Looked not much different than the more expensive brands. Got it today with also the mirrors from The same sellers. So I installed it in my K40 laser engraver replacing the stock laser head with the new LO head with air assist with the new lens and mirror. InScrewed up the alignment at first, but after making some adjustment and set power to 10% and test it on a cardboard. BAM! It cut thru the cardboard in one pass while before it only leaves a line! Who knows, maybe the alignment was off before, but I definitely think the lens made a difference, for the quality of the coating on both the lens and mirror are better than the stock. It is a worthy upgrade, now marking on stainless turns out great, really helps serve the purpose of getting the K40 in the first place. ### ⭐⭐⭐⭐⭐ Good replcement for the standard K40 laser lens *by C***C on March 22, 2018* Good replcement for the standard K40 laser lens. Fit perfectly in my Light Object upgraded air assist piece. ## Frequently Bought Together - CNCOLETECH CO2 Laser Lens 18mm Laser Mirror Laser Focus Lens PVD ZnSe FL 50.8mm / 2" for CO2 Laser Engraving Cutting Machine Laser Cutter 30W-100W - Cloudray 12/18mm FL50.8 & 16mm FL25.4 Laser Head With Air Assist For K40 Laser Engraver Cutter - CNCOLETECH 20mm CO2 Laser Mirror Si Reflective Lens CO2 Laser Lens Si Gold-coated Laser Mirrors Dia 20mm 3PCS for CO2 Laser Machine --- ## 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.vn/products/30139431-co2-laser-lens-18mm-mirror-focus-lens-pvd-znse-fl](https://www.desertcart.vn/products/30139431-co2-laser-lens-18mm-mirror-focus-lens-pvd-znse-fl) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-09-07*