1.optical filter 2.ISO 9001 :2008 3.Imported materials NO. Specification Material ... .5 HB700JK-04-031 Φ15×6.5 λ= 410nm Besides optical filter,we also have Transmission Window Plate, Lens,Collimating,Reflector,Hyperbolic ... Mirror,Pit Mirror,Chopper Mirror,light Gap Sheet,Prism,Correction filter and Plane grating. uv quartz optical ...