Polarization maintaining patchcord with 1.5 meter long, 3mm armor jacketed 5/125um fiber for 760-980nm, terminated on one end with a FC/SPC connector with the fiber slow axis pre-aligned and locked to the connector key, and on the other end with an 8° angle polished 1.8 mm OD ferrule. SP: 700mm long 1mm OD black jacketed cable at focuser's end, 800mm long 3mm OD armoured cable at FC connector side, an M5 thread at their interface with nut and washer, Red color heat shrink tubing shows it is PM fiber.