--- product_id: 93912377 title: "F-Theta Lens 300x300 mm FL420mm M85 for 1064nm Fiber Laser" brand: "cloudray" price: "€ 222.54" currency: EUR in_stock: true category: "Cloudray" url: https://www.desertcart.hr/products/93912377-f-theta-lens-300x300-mm-fl420mm-m85-for-1064nm-fiber store_origin: HR region: Croatia --- # 420mm focal length for pinpoint precision 97% transmittance with anti-reflective coating High thermal & wear resistance for durability F-Theta Lens 300x300 mm FL420mm M85 for 1064nm Fiber Laser **Brand:** cloudray **Price:** € 222.54 **Availability:** βœ… In Stock ## Summary > 🎯 Elevate Your Laser Game with Cloudray Precision! ## Quick Answers - **What is this?** F-Theta Lens 300x300 mm FL420mm M85 for 1064nm Fiber Laser by cloudray - **How much does it cost?** € 222.54 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/93912377-f-theta-lens-300x300-mm-fl420mm-m85-for-1064nm-fiber) ## 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 - β€’ **Built to Endure:** Engineered with high temperature and wear resistance to maintain performance under intense conditions. - β€’ **Seamless Compatibility:** Standard M85x1 threading ensures quick, hassle-free installation and upgrades on most fiber laser machines. - β€’ **Unmatched Optical Clarity:** Maximize laser efficiency with 97% transmittance and minimal distortion for flawless results. - β€’ **Versatile Material Marking:** Perfectly marks steel, aluminum, gold, and moreβ€”empowering your creative and industrial projects alike. - β€’ **Precision Laser Marking Mastery:** Achieve ultra-fine, consistent engraving across a 300x300mm field with FL420mm focal length. ## Overview The Cloudray F-Theta Lens (300x300mm, FL420mm) is a high-performance fiber laser lens optimized for 1064nm wavelength lasers. It delivers superior precision and fast positioning for marking, engraving, and drilling on metals like steel and gold. Featuring 97% transmittance with anti-reflective coatings and robust thermal and wear resistance, it ensures long-lasting, distortion-free operation. Its standard M85x1 threading allows easy installation, making it a top choice for professionals seeking reliable, high-quality laser optics. ## Description Shop Cloudray at the desertcart Arts, Crafts & Sewing store. Free Shipping on eligible items. Save on everyday low prices. ## 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 | |---------------|-------| | ASIN | B07BS9NPCT | | Best Sellers Rank | #114,445 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #262 in Lab Microscope Accessories #264 in Jewelry Making Engraving Machines & Tools #5,406 in Craft Cutting Tools | | Brand | Cloudray | | Camera Lens | Cloudray F-Theta Lens for 1064nm Fiber Laser Machine Scanning, featuring FL420mm focal length, designed for laser marking, engraving, and drilling applications. | | Compatible Camera Mount | fiber laser machine | | Customer Reviews | 4.3 4.3 out of 5 stars (29) | | Exposure Control Type | Manual | | Focal Length Description | 420 millimeters | | Focus Type | Fixed Focus | | Image stabilization | No image stabilization | | Item Weight | 400 g | | Lens | F-theta | | Lens Design | F-Theta | | Manufacturer | Cloudray | | Manufacturer Part Number | FSL02H300F420 | | Maximum Focal Length | 30 centimeters | | Media Type | ProductImage | | Minimum Focal Length | 42 centimeters | | Model Name | K9 M85 | | Model Number | Default M85 | | Number of Items | 1 | | Real Angle Of View | 16.3 degrees | | Screen Size | 30 centimeters | | UPC | 669819728378 | | Water Resistance Level | Not Water Resistant | ## Product Details - **Brand:** Cloudray - **Compatible Mountings:** fiber laser machine - **Focal Length Description:** 420 millimeters - **Lens Type:** F-theta ## Images ![F-Theta Lens 300x300 mm FL420mm M85 for 1064nm Fiber Laser - Image 1](https://m.media-amazon.com/images/I/51jFqLX6fgS.jpg) ## Available Options This product comes in different **Size** options. ## 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? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.hr/products/93912377-f-theta-lens-300x300-mm-fl420mm-m85-for-1064nm-fiber](https://www.desertcart.hr/products/93912377-f-theta-lens-300x300-mm-fl420mm-m85-for-1064nm-fiber) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-10-28*