Optical Filter 650nm
5~168mm and f 5~168mm
0.5~3mm or your design is OK
60/40,80/50 or your design is OK
650+/-15nm Narrow Bandpass Filter, or said 650nm Interference Filter, compared to 650+/-30nm filters, it can reduce more unneeded light for some special sensitive sensor requirement, to get the clear signal response. The higher transmission at T>=90% allow this filter available to be combined with other existed filter and still keep the transmission no less than 85%.
It is widely applied to commodity barcode scanning checkout in supermarket, express delivery
goods barcode scanning, inventory management, etc.