The HPM685-50 HPFTM Fluorescence Bandpass Filter is 25.0 mm diameter, 3.5 mm thick band pass filter with nominal center wavelength at 685 nm and nominal bandwidth of 50 nm. It is manufactured to provide maximum performance delivering exceptionally high passband transmission (≥ 90%) and enhanced excitation blocking from 560-655 nm.

HPM685-50荧光带通滤波器直径25.0 mm,厚度3.5 mm,标称中心波长685 nm,标称带宽50 nm。提供最大的性能是生产交付异常高的通频带传输(≥90%)和增强激发阻塞在560 - 655海里。