The F03-1064.0-4-50.0M from CVI Laser Optics is a Optical Filter with Wavelength 750 to 1900 nm, Center Wavelength(CWL) 1064 nm, Bandwidth (FWHM) 3±0.6 nm, Blocking Wavelength 3500 nm, Filter Diameter 50 mm. More details for F03-1064.0-4-50.0M can be seen below.