1.a high performance binoculars . 2.military quality standard, 3.waterproof, 4.shock proof, 1.Focus system: individual eyepiece2.Magnification: 7X3.Objective diameter:50mm4.FOV: 393ft/1000yds5.Exit-pupil Distance:23mm6.Water proof:Yes7.Shockproof:Yes8. high and low temperature military waterproof binoculars 7X50