Technical parameters: Wavelength 632.8nm, Focal length tolerance  ± 1% , Diameter tolerance + 0.0/ -0.1mm, Thickness tolerance  ± 0.1mm, Surface accuracy  » / 4, Surface quality 40-20, Centration ....
Jilin Tianhua Opto-electrical Technology Development Co., Ltd., production and sale of precise optical elements. Our company locates in Changchun City, Jilin Province, the optical base of China. We....