--- product_id: 316436045 title: "Cloudray Fiber Laser Scanning Lens F-Theta Scan Lens Field for Galvo System (M85) Optical Laser Marking (Scan Field 300 * 300mm FL 420mm, M85)" brand: "cloudray" price: "$340.17" currency: USD in_stock: true reviews_count: 2 url: https://www.desertcart.us/products/316436045-cloudray-fiber-laser-scanning-lens-f-theta-scan-lens-field store_origin: US region: United States of America --- # 300x300mm precise scan field 97% laser transmittance M85 standard easy install Cloudray Fiber Laser Scanning Lens F-Theta Scan Lens Field for Galvo System (M85) Optical Laser Marking (Scan Field 300 * 300mm FL 420mm, M85) **Brand:** cloudray **Price:** $340.17 **Availability:** ✅ In Stock ## Summary > 🎯 Elevate Your Laser Marking Game with Cloudray Precision! ## Quick Answers - **What is this?** Cloudray Fiber Laser Scanning Lens F-Theta Scan Lens Field for Galvo System (M85) Optical Laser Marking (Scan Field 300 * 300mm FL 420mm, M85) by cloudray - **How much does it cost?** $340.17 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/316436045-cloudray-fiber-laser-scanning-lens-f-theta-scan-lens-field) ## 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 - • **Built to Endure:** High wear and temperature resistance ensures stable performance and minimal thermal focus shift under intense use. - • **Versatile Powerhouse:** Optimized for 1064nm fiber lasers including Raycus and MOPA, perfect for marking, engraving, and drilling applications. - • **Seamless Compatibility:** Standard M85x1 threading guarantees quick, hassle-free upgrades or replacements in most laser marking systems. - • **Maximized Laser Efficiency:** Enjoy up to 97% transmittance with anti-reflective coatings that boost engraving clarity and extend lens life. - • **Pinpoint Precision, Every Time:** Achieve ultra-fine laser marking with a wide 300x300mm scan field for flawless results across metals like steel and gold. ## Overview The Cloudray Fiber Laser Scanning Lens F-Theta (M85) offers a 300x300mm scan field with 420mm focal length, delivering ultra-fine laser marking at 1064nm wavelength. Featuring 97% transmittance and anti-reflective coatings, it ensures high engraving quality and durability. Its wear and temperature-resistant design minimizes thermal focus shift, while the standard M85 threading allows easy installation in most galvo laser systems. ## Description CloudrayFiber Laser Scanning Lens F-Theta Scan Lens Field for Galvo System (M85) Optical Laser Marking (Scan Field 300 * 300mm FL 420mm, M85) ## Features - Superior Performance: Cloudray f-theta lens for ultra-fine laser marking, f theta lens play a major role in many of today'sleading-edge laser applications.Cloudray manufac-tures scan lenses for laser systems that are used formarking, engraving, via hole drilling, and more. - High Stability: With the characteristics of wear resistance and high temperature resistance, it's a stand jpt fiber laser lens and mopa fiber laser lens,also work with Raycus fiber laser,it has better thermal stability, and reduces thermal focus shift,In a typicalfiber laser lens configuration, the F- lens isused with one or two axis galvo mirrors that enablefast positioning and precision focusing of the laserbeam. - 300x300mm f-theta lens 1064nm: Cloudray lens provides fast positioning and precision focusing so you'll be able to mark steel, aluminum, gold, and more with a consistently exact spot anywhere in the lens's 11.8x11.8" field. - Optical Fiber Laser Parts: F420 cloudray lens for 1064nm wavelength lasers offers up to 97% transmittance with minimal distortion and antireflective coatings that ensure both excellent engraving and a long service life. - Easy Installation: The standard M85x1 threading ensures easy installation, quickly replacing or upgrading the old lens in most laser marking machines on the market. Note: Please adjust the focal length when change the F-Theta lens size. ## Technical Specifications | Specification | Value | |---------------|-------| | Manufacturer | Cloudray | | Part Number | FSL02H300F420 | | Package Dimensions | 18.01 x 12.19 x 9.8 cm; 400 g | | Item model number | Default M85 | | Size | 300x300 F420 | | Colour | M85 | | Material | F-Theta lens | | Item Package Quantity | 1 | | Batteries included? | No | | Batteries Required? | No | | Item Weight | 400 g | ## Product Details - **Brand:** Cloudray - **Maximum focal length:** 300 Millimetres - **UPC:** 669819728378 ## Images ![Cloudray Fiber Laser Scanning Lens F-Theta Scan Lens Field for Galvo System (M85) Optical Laser Marking (Scan Field 300 * 300mm FL 420mm, M85) - Image 1](https://m.media-amazon.com/images/I/51jFqLX6fgS.jpg) ![Cloudray Fiber Laser Scanning Lens F-Theta Scan Lens Field for Galvo System (M85) Optical Laser Marking (Scan Field 300 * 300mm FL 420mm, M85) - Image 2](https://m.media-amazon.com/images/I/71beE8YyvbL.jpg) ![Cloudray Fiber Laser Scanning Lens F-Theta Scan Lens Field for Galvo System (M85) Optical Laser Marking (Scan Field 300 * 300mm FL 420mm, M85) - Image 3](https://m.media-amazon.com/images/I/71-3HHjK4AL.jpg) ![Cloudray Fiber Laser Scanning Lens F-Theta Scan Lens Field for Galvo System (M85) Optical Laser Marking (Scan Field 300 * 300mm FL 420mm, M85) - Image 4](https://m.media-amazon.com/images/I/71VvfVjBzbL.jpg) ![Cloudray Fiber Laser Scanning Lens F-Theta Scan Lens Field for Galvo System (M85) Optical Laser Marking (Scan Field 300 * 300mm FL 420mm, M85) - Image 5](https://m.media-amazon.com/images/I/71Y1QgcYIfL.jpg) ## Available Options This product comes in different **Size Name** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great Lens *by P***L on 14 June 2023* Update..This lens is doing a great job of anything I ask of it.I have been using this lens for a few jobs now, and must say that it is performing very well.I generally don't review many products, but this one has been good enough for me to change that, and I have just placed an order for another size. That in itself is good enough for me.I will definitely be buying from this seller again.Thank you. ### ⭐⭐⭐⭐⭐ The speed of delivery was just amazing, 4 days! Well packaged, great lens. *by F***R on 4 November 2021* Fantastic price, support fast delivery, I will definitely use this company again. Brilliant. ## Frequently Bought Together - Cloudray F-Theta Lens Fiber Laser Lens Scan Lens 300x300mm FL420mm FL380mm M85 F Theta Fiber Laser Lens for 1064nm Fiber Laser Machine Scanning - Brilliance Laser Inks 12 Oz Laser Marking Spray - Black, Permanent High Contrast Metal Marker Aerosol for Fiber, YAG, Diode, and CO2 Laser Engraver Machine, BLI101 - weparmeety 100 Pcs Metal Engraving Blanks Colorful Aluminum Sheet Laser Engraving Business Card Multipurpose DIY Gift Cards 86 x 54 x 0.21 mm（10 Colors) --- ## 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.us/products/316436045-cloudray-fiber-laser-scanning-lens-f-theta-scan-lens-field](https://www.desertcart.us/products/316436045-cloudray-fiber-laser-scanning-lens-f-theta-scan-lens-field) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-07-11*