Jollystar releases F-theta lens with Focal Length 254mm at wavelength of 1064nm for Laser making machines today (April 10th,2013). The lens is made up of four glass elements and aluminum lenshouse. The lenshouse is absolutely robust construction with titanium and aluminum alloy. The glass elements are coated with Multi-layer Coating (Transmission >= 99.8% @ 1064nm) to reduce light loss. Its square scan field size is 175mm*175mm. The F-theta lens can achieve large flat field image with high performance. The diffraction limited performance of the scan lenses results in minimum spot sizes with high uniformity over the whole scan field. The lens can be sent to your stock whthin 30 days.