FeaturesStandard:80*30mmExit pupil diameter :13mmEyepiece distance :18MMNear focal distance:5MMagnification: 10xPrism Glass Material :BAK4Focus System:Eyepiece Object lens diameter: 25mmCoating: Green filmField of view: 0.5m/2000mPrism system: RoofColor :OrangeMaterial: Metal/rubberSize: 80*30mm Weight: 50gIncluding: 1?��telescope