The FSQ-BG40 Colored Glass Bandpass Filter is a 25.4 mm diameter blue bandpass optical filter made of Schott BG40 filter glass. This bandpass filter is precision polished for demanding research or OEM applications.

FSQ-BG40彩色玻璃带通滤波器是由Schott BG40滤光玻璃制成的直径25.4 mm的蓝色带通光学滤波器。这款带通滤波器经过精密抛光,适用于高要求的研究或OEM应用。