Yukon Advanced Optics NVMT Spartan 1x24 Head Mount Kit Generation: 1. Magnification: x1. Lens diameter: 24mm. Field of View: 30 degree. Eye relief: 12mm. Exit pupil: 5mm. Diopter adjustment (dptr):  4 Resolution: 36 lines per mm. Minimum focusing distance: 0.3m. Range of detection: (object 1,7m high, "quarter moon"): 80m. Built-in Illuminator: LED type Illuminator wavelenght: 805nm. Power supply: 3V. Battery type: 1xCR123A (not included). Operating temperatures: -30C to +40C. Tripod mount: 1/4inch Package contains: NVMT Spartan 1x24 unit, carrying case, hand strap, compact head mount and cleaning cloth. Dimensions: 142x60x82mm. Weight: 380g