--- product_id: 625572254 title: "OMTech F Theta Lens for Fiber Laser Engraver, 300mm Sino Galvo Scanning Lens for 1064nm Fiber Laser Marking Machine, Laser Field Lens Replacement for 20W 30W 50W 60W Fiber Laser Engraving Machines" price: "153432CFA" currency: XOF in_stock: true reviews_count: 3 url: https://www.desertcart.sn/products/625572254-omtech-f-theta-lens-for-fiber-laser-engraver-300mm-sino store_origin: SN region: Senegal --- # 20 micron spot size accuracy 99% laser transmittance 300x300 mm precision field OMTech F Theta Lens for Fiber Laser Engraver, 300mm Sino Galvo Scanning Lens for 1064nm Fiber Laser Marking Machine, Laser Field Lens Replacement for 20W 30W 50W 60W Fiber Laser Engraving Machines **Price:** 153432CFA **Availability:** βœ… In Stock ## Summary > πŸ”¬ Elevate your engraving game with precision that’s impossible to ignore! ## Quick Answers - **What is this?** OMTech F Theta Lens for Fiber Laser Engraver, 300mm Sino Galvo Scanning Lens for 1064nm Fiber Laser Marking Machine, Laser Field Lens Replacement for 20W 30W 50W 60W Fiber Laser Engraving Machines - **How much does it cost?** 153432CFA with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/625572254-omtech-f-theta-lens-for-fiber-laser-engraver-300mm-sino) ## Best For - Customers looking for quality international products ## Why This Product - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Plug & Play Upgrade:** Standard M85x1 threading for effortless installation on OMTech and compatible fiber lasers - β€’ **Crystal Clear Precision:** Up to 99% laser throughput with borosilicate crown glass for distortion-free engraving - β€’ **Maximize Your Marking Area:** Expansive 300x300 mm scanning field for intricate, large-scale designs - β€’ **Pinpoint Accuracy Every Time:** Consistent 20 micron spot size ensures flawless detail on metals and more - β€’ **Built to Last, Built to Perform:** Double-sided multilayer coatings resist scratches and damage for long-term reliability ## Overview The OMTech F-Theta 300mm lens is a high-performance fiber laser field lens designed for 1064nm lasers up to 60W. It offers a large 300x300 mm scanning area with 99% laser transmittance and a precise 20 micron spot size, enabling detailed and efficient engraving on metals like steel, aluminum, gold, and silver. Its durable multilayer coatings ensure long-lasting use, while the standard M85x1 threading allows quick upgrades or replacements on most fiber laser marking machines. ## Description Shop OMTech at the desertcart Arts, Crafts & Sewing store. Free Shipping on eligible items. Save on everyday low prices. Review: Works well! - I purchased this as an add on to my 60w fiber laser. It works perfectly. I believe it works better than the stock lenses I have. Review: Shipped fast, really amplifies the laser power! - Installed this on a 50W Galvo that originally had 150mm lenses. The power from this is so much more I can engrave coins at 1/2 the time at the cost of a smaller build area. A must have in the laser accessories kit to make the most of your engraver. ## Features - 300x300 mm Field Lens: OMTech's F-Theta lens is ideal for laser marking, engraving, image transfer, and cutting systems; it creates vivid markings and flawlessly completes even your most intricate designs through its 11.9x11.9 in. scanning area - High Transmittance: This field lens for 1064 nm lasers up to 60W provides up to 99% throughput with negligible distortion thanks to its crystal clear and precision engineered borosilicate crown glass construction - Superior Performance: Our F-theta scanning lens provides fast positioning and precision focusing so you can mark steel, aluminum, gold, silver, and more with a consistently exact 20 micron spot size anywhere in the lens's 30x30 cm field - Lasting Durability: The fiber laser lens's double-sided multilayered coatings improve natural optical properties and ensure outstanding scratch and damage resistance during daily use, for a long service life and reliable performance - Easy Installation: The standard M85x1 threading offers easy installation, quickly replacing or upgrading the old lens in OMTech or most other laser marking machines on the market - Only suitable for split fiber laser engraver ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #122,225 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #304 in Jewelry Making Engraving Machines & Tools #2,903 in Craft Cutting Tools | | Customer Reviews | 4.9 out of 5 stars 17 Reviews | ## Images ![OMTech F Theta Lens for Fiber Laser Engraver, 300mm Sino Galvo Scanning Lens for 1064nm Fiber Laser Marking Machine, Laser Field Lens Replacement for 20W 30W 50W 60W Fiber Laser Engraving Machines - Image 1](https://m.media-amazon.com/images/I/61Ej1i4lh9L.jpg) ## Available Options This product comes in different **Size** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Works well! *by M***S on May 19, 2026* I purchased this as an add on to my 60w fiber laser. It works perfectly. I believe it works better than the stock lenses I have. ### ⭐⭐⭐⭐⭐ Shipped fast, really amplifies the laser power! *by J***C on October 24, 2024* Installed this on a 50W Galvo that originally had 150mm lenses. The power from this is so much more I can engrave coins at 1/2 the time at the cost of a smaller build area. A must have in the laser accessories kit to make the most of your engraver. ### ⭐⭐⭐⭐⭐ Arrived quickly *by M***N on January 10, 2025* Seller responded quickly and new lens arrived in a few day when i needed it. Lens description was spot on and worked well on machine ## Frequently Bought Together - OMTech F Theta Lens for Fiber Laser Engraver, 300mm Sino Galvo Scanning Lens for 1064nm Fiber Laser Marking Machine, Laser Field Lens Replacement for 20W 30W 50W 60W Fiber Laser Engraving Machines - OMTech Rotary Axis Attachment for Fiber Laser Engravers, 80mm 3 Jaw Rotary Chuck Ring Jewelry Marking Tool, Laser Engraving Machine Rotary Tool with NEMA 23 Motor for Y Axis 360 Round Metal Etching - OMTech 20W Fiber Laser Marking Machine, LightBurn Compatible MOPA Laser Engraver with Red Dot Guide for Metal Color Marking, 7x7 Solid State Laser Etching Machine for Aluminum Steel Gold Jewelry More --- ## 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.sn/products/625572254-omtech-f-theta-lens-for-fiber-laser-engraver-300mm-sino](https://www.desertcart.sn/products/625572254-omtech-f-theta-lens-for-fiber-laser-engraver-300mm-sino) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-09-17*