Photosensitive Blue Glass, IR 600nm,600nm Infrared cut-off Filter, AR coated, Dia. 5.0mm,T 1.0mm, Support customized
650nm Bandpass Filter, 650nm CWL, 100nm FWHM, Diameter 5.0mm, 1.0mm thickness Optical Bandpass Filters
Sapphire crystal cover for Intelligent watch, Arc design, Support various arc-shaped or polygon designs