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The OMTech 18mm ZnSe Focus Lens Replacement is a high-performance plano-convex lens designed for 50W-80W CO2 laser engravers. Made from premium CVD zinc selenium with double-sided antireflective and scratch-resistant coatings, it achieves over 99.5% infrared light transmittance at 10.6 microns. This durable lens ensures precise laser focusing for enhanced engraving accuracy and efficiency, making it an essential upgrade for professional-grade laser cutting and engraving.













| ASIN | B09B3FPPSF |
| Best Sellers Rank | #101,011 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #263 in Jewelry Making Engraving Machines & Tools |
| Brand | OMTech |
| Camera Lens | 18 millimetres |
| Camera Lens Description | 18 millimetres |
| Color | yellow |
| Customer Reviews | 4.8 out of 5 stars 53 Reviews |
| Exposure Control Type | Manual |
| Focal Length Description | 18 mm |
| Focus Type | Fixed Focus |
| Image stabilization | Optical |
| Item Highlight | CVD ZnSe | 99.5%+ transmittance | 2" focal length | Fits 50W-80W CO2 lasers |
| Lens | Standard |
| Lens Coating Description | strongly antireflective, scratch-resistant |
| Lens Design | Zoom |
| Lens Fixed Focal Length | 5.1 centimeters |
| Lens Type | Standard |
| Manufacturer | OMTech |
| Manufacturer Part Number | RYGEL-LELI01820 |
| Media Type | ProductImage |
| Model Name | RYGEL-LELI01820 |
| Model Number | RYGEL-LELI01820 |
| Number of Diaphragm Blades | 7 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Photo Filter Size | 18 millimeters |
| Screen Size | 2 inches |
| Unit Count | 1 Count |
| Water Resistance Level | Not Water Resistant |
| Zoom Ratio | 1:1 |
R**Y
Perfect fit for my 80W CO2 laser
I bought these as replacement lenses for my 80W CO2 laser and they've worked great. They fit right in without any problems and I've had no complaints with their performance. Nice to have replacements on hand, especially if you use your laser regularly.
M**P
Excellent lens and very good quality
Purchased this to replace the lense in my OMTech 80w laser and it works great. After I was unable to clean some grime off me lens I found this one and Iโm very happy with the results.
C**.
60w omtech
Good replacement lens for my omtech 60w mf2028
Trustpilot
5 days ago
2 weeks ago