Pigtail style collimator for 1550nm with a 1 meter long, 3mm OD PVC cabled, 9/125 SM fiber, a 4mm OD housing with a f=1.81mm GRIN lens with -60dB return loss and a super FC/PC connector. The output beam diameter will be 0.4mm. A 20mm OD removable flange, o-ring, mounting screws and a ball driver are also included.
