The F70-500.0-4-1.00 from CVI Laser Optics is a Optical Filter with Wavelength 400 to 749 nm, Center Wavelength(CWL) 500 nm, Bandwidth (FWHM) 70±14 nm, Blocking Wavelength 1200 nm, Filter Diameter 12.7 mm. More details for F70-500.0-4-1.00 can be seen below.