Pigtail style collimator for 532nm with a 0.5 meter long, 3mm OD stainless armour cabled, 4/125 SM fiber, a 4mm OD housing with a f=3mm aspheric lens with -40dB return loss and a super FC/PC connector. The output beam diameter will be around 0.4mm. (SP) use 4/125µm fiber.
