--- product_id: 376693478 title: "OMTech F Theta Lens for Fiber Laser Engraver, 150mm Sino Galvo Scanning Lens for 1064nm Fiber Laser Marking Machine, Laser Field Lens Replacement for 20W 30W 50W 60W Fiber Laser Engraving Machines" price: "136709CFA" currency: XOF in_stock: true reviews_count: 3 url: https://www.desertcart.sn/products/376693478-omtech-f-theta-lens-for-fiber-laser-engraver-150mm-sino store_origin: SN region: Senegal --- # 150x150mm precise scanning area 99% laser transmittance clarity 20 micron spot size accuracy OMTech F Theta Lens for Fiber Laser Engraver, 150mm Sino Galvo Scanning Lens for 1064nm Fiber Laser Marking Machine, Laser Field Lens Replacement for 20W 30W 50W 60W Fiber Laser Engraving Machines **Price:** 136709CFA **Availability:** ✅ In Stock ## Summary > 🎯 Elevate your laser game with pinpoint precision and crystal clarity! ## Quick Answers - **What is this?** OMTech F Theta Lens for Fiber Laser Engraver, 150mm 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?** 136709CFA 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/376693478-omtech-f-theta-lens-for-fiber-laser-engraver-150mm-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 - • **Versatile Material Mastery:** Perfectly marks steel, aluminum, gold, silver, and more with professional-grade precision. - • **Crystal Clear Laser Throughput:** Experience up to 99% transmittance with minimal distortion for vivid, sharp markings. - • **Pinpoint Precision, Every Time:** Achieve flawless engravings with a consistent 20 micron spot size across a 150x150mm field. - • **Built to Last, Built to Perform:** Double-sided multilayer coatings ensure scratch resistance and long-lasting durability. - • **Seamless Upgrade & Installation:** Standard M85x1 threading makes swapping lenses quick and hassle-free. ## Overview The OMTech F-Theta Lens is a high-performance 150mm field lens designed for 1064nm fiber laser engraving machines up to 60W. Engineered with precision borosilicate crown glass and double-sided multilayer coatings, it delivers 99% laser transmittance and a consistent 20 micron spot size across a 150x150mm scanning area. Compatible with most laser marking machines via standard M85x1 threading, it ensures durable, scratch-resistant, and flawless engraving on metals like steel, aluminum, gold, and silver. ## 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 - 150x150 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 5.9x5.9 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 15x15 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 ## Technical Specifications | Specification | Value | |---------------|-------| | Best Sellers Rank | #283,966 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #813 in Jewelry Making Engraving Machines & Tools | | Customer Reviews | 4.8 out of 5 stars 19 Reviews | ## Images ![OMTech F Theta Lens for Fiber Laser Engraver, 150mm 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/61jp-FYE15L.jpg) ![OMTech F Theta Lens for Fiber Laser Engraver, 150mm Sino Galvo Scanning Lens for 1064nm Fiber Laser Marking Machine, Laser Field Lens Replacement for 20W 30W 50W 60W Fiber Laser Engraving Machines - Image 2](https://m.media-amazon.com/images/I/71w7cP7a0XL.jpg) ![OMTech F Theta Lens for Fiber Laser Engraver, 150mm Sino Galvo Scanning Lens for 1064nm Fiber Laser Marking Machine, Laser Field Lens Replacement for 20W 30W 50W 60W Fiber Laser Engraving Machines - Image 3](https://m.media-amazon.com/images/I/61TXf8F2Z2L.jpg) ![OMTech F Theta Lens for Fiber Laser Engraver, 150mm Sino Galvo Scanning Lens for 1064nm Fiber Laser Marking Machine, Laser Field Lens Replacement for 20W 30W 50W 60W Fiber Laser Engraving Machines - Image 4](https://m.media-amazon.com/images/I/61Cvh0i+U+L.jpg) ![OMTech F Theta Lens for Fiber Laser Engraver, 150mm Sino Galvo Scanning Lens for 1064nm Fiber Laser Marking Machine, Laser Field Lens Replacement for 20W 30W 50W 60W Fiber Laser Engraving Machines - Image 5](https://m.media-amazon.com/images/I/71JliX+lFLL.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 --- ## 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.sn/products/376693478-omtech-f-theta-lens-for-fiber-laser-engraver-150mm-sino](https://www.desertcart.sn/products/376693478-omtech-f-theta-lens-for-fiber-laser-engraver-150mm-sino) --- *Product available on Desertcart Senegal* *Store origin: SN* *Last updated: 2026-09-27*