Filter manufacturers supply 490nm band pass filter

490nm bandpass filter is satisfied that the macro Production: Application: 490nm 490nm blue laser diode medical instrumentation analytical instruments tunable laser fluorescence microscopy to identify the ink Material: optical glass (in line with environmental protection ROHS) center wavelength of 490nm ± 2nm center wavelength transmittance > 85% peak transmittance of> 85% of the half-bandwidth: 40nm ± 2nm cutoff: 200nm ~ 400nm, 500nm ~ 1100nm cutoff rate: T <0.1% Appearance requirements: 60/40