Banggood 10 300X40 Monocular Telescope HD Zoom Pocket Low Night Vision
Specification:NameMonocular TelescopeTypeTelescope Mobile Phone Holder TripodEye cup materialRubberPrism materialGlassSize17x7x9.5cmOptical coatingFMC coatingField of view2.4 2.1Magnification10 300XEyepiece diameter15mmObjective diameter30mmPupil distance40mmWaterproofLife waterproofFeatures:Zoom adjustment: zoom 10 30 times, ran adjustment.Eye mask: it can be used directly by the wearer without rotating eye mask.Tripod interface: free hands, easy