"SpecificationMaterial: optical glass.Color: black.Size:Stretching: about 173x43mmShrinking: about 128x43mm.Type: monocularModel: 10-300x40Effective diameter of objective lens: about 30mm/1.3in.Magnification: 7-17 times (corresponding to adjustment level 10X100).Eyepiece diameter: about 22mm/8.27in.Exit pupil diameter: 4.2-1.7mm.Exit pupil distance: 14-12mm.Actual field of view: 230-110FT 1000YDS.Actual field of view: 4.4-2.1 degrees.The shortest focusing distance: 2.5m.Prism: BAK4 prism.Coating: FMC.Eye cover: rotating eye cover.Waterproof: yes.Tripod can be connected: yes.Whether to connect the mobile phone: yes.Package included:Type 1:1 * Monocular.Type 2:1 * Monocular.1 * Tripod.1 * Phone Bracket."