Pigtail style collimator for 1300-1550nm with a 1meter long, 900 micron OD jacketed, 9/125 SM fiber, a 4mm OD housing with an f=1.8mm GRIN lens with -25dB return loss and no 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.