The Bering Optics Polaris Gen 1 wide angle NV monocular 3.4x50 has a magnification of 3.4x. It has fully multi-coated optics, a 50mm objective lens, and a wrist strap. Other features include a diopter adjustment +/- 4 and 120/37 (ft/M) FOV at a distance of 200 yards.
Objective lens diameter (mm): 50
FOV at distance 200 yards (ft/m): 120 / 37
Focus range (yards): 1 to infinity
Diopter adjustment (D): +/- 4