590nm optical filter provides deep blocking and high transmission, without self-fluorescence. Spec.Spec.Tech.IAD hard coatingBand Width40nm(460nm,535nm,620nm)/60nm(590nm)Transmittance in Pass band>90%Blocking200~1200nmTransmittance in Rejection bandT<10-4 (Optical density>4)SubstrateBK7SizeM49mm, M52mm, M55nm and M58mm, M62mm CCD Digital Gel Image System-590/60nm optical filter