Features:Exit pupil diameter :5MMNear focal distance:1.5MM Magnification: 16x Zoom InPrism Glass Material :BAK4Focus System:Eyepiece Object lens diameter: 52mmCoating: Green filmField of view: 66m/8000mPrism system: RoofColor :BlackMaterial: optical lens/rubberSize: 145mm*52mmWeight: 290GIncluding: 1?��telescope + 1?��cleaning cloth， nylon bag， Instruction，Mirror line.