1 With 1.80 high refractive index glass material, marking more fine! 2 Every lens has been tested by the marking machine, please rest assured to use it! 3 Focal length 160mm, marking range 110mmx110mm. 5 Max incident light spot diameter: 12mm. 6 Focus point diameter: 10 microns (very good).8 Suitable for: semiconductor laser and fiber laser. We manufacture laser from 2007. All products are developed and manufactured by ourselves. Please be sure not to dismantle the item unauthorized. The item "F160mm 1064 fiber laser / Coating focus lens / Laser Focus Lens / laser marking" is in sale since Friday, March 10, 2017. This item is in the category "Business & Industrial\Healthcare, Lab & Dental\Medical & Lab Equipment, Devices\Lab Lasers\Fiber Lasers". The seller is "lyzq2000" and is located in shenzhen, guangdong. This item can be shipped worldwide.