SVBONY SV501,70 420/400 F6 F5.7 HD professional astronomical telescope night vision deep space star view moon,Powerful Monocular
Brand Name: svbonyObjective Lens Diameter: 70Eyepiece diameter: 20Magnification: 20/21XField of View: 50Origin: CN(Origin)Type: MonocularWater Resistance Level: IPX6Prism Description: BK7Model Number: SV501Material: MetalLens Coating Description: MCFocus Type: CentralItem Name: SVBONY 70mm telescopeModel: SV501Optical system: RefractiveObjective (main) lens focal length: 420mm/400mmObjective lens diameter: 70mmFocal ratio: F6Eyepiece: 1.25 inch K20mmObjective lens: 2-elements in 2 groups Achromatic objective lens optical system designSV101 Tripod: 39" Aluminum alloy adjustable tripodSV102 Tripod: 54" Aluminum alloy adjustable tripodObjective Lens Cover: Dust w/ Rubber RingViewfinder: 5x20 OpticalPrisms Diagonals: 1.25" 90-Degree Erecting Prisms DiagonalsGood for use: back to school