1,magnification: 8x 2, the diameter of the objective lens: 30mm 3, field of view: 130M/1000M, 4, Nitrogen filled 5, the lenses are fully coated 6, waterporoof 7, fogproof Origin Chengdu Size 14 x 5.2 x 13.8 Centimeters Weight 710 Grams Minimum order 500pcs