Long working distance zoom lens RTS201-VIS-NIR B&Wtek 840000680 - Other Portable Raman Accessories

A long working distance zoom lens for BAC100/BAC102 fiber optic Raman probes. When used in place of the standard shaft, the working distance is adjustable from 60 mm to 600 mm. Suitable for Raman excitation range from 500nm to 850nm.