615nm bandpass filter Features: Imported thin optical glass, through the tall, good finish, thickness tolerances, excellent flatness and other optical properties; the use of imported equipment ion sputtering coating technology, with high labor solid film spectral uniformity, strong center wave stable performance characteristics; Size customized as per customer requirements; square / round can be optical indicators: center wavelength: 620 ± 10nm transmittance: T> 50% half bandwidth. : 10nm cutoff wavelength 500nm-590nm 640nm-700nm cutoff rate: T <0.1% Advantages: thin glass, plated dura, long life, wavelength positioning accuracy / ion deposition, temperature drift penetration rate, high cut-off depth Application: fluorescence analyzer, microplate reader, cable upgrade equipment, wireless transmission equipment, mobile barcode scanning, infrared whiteboard, infrared cameras, infrared touch screen, iris recognition, infrared medical instruments, infrared ink recognition, red film recognition, Face recognition sensor system. Handheld infrared laser range finder, laser range finder, optical instruments, medical and health equipment and testing instruments.