SVBONY Astronomical Telescope Portable Refractor Multi-Coating Optics SV501P
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SVBONY Astronomical Telescope Portable Refractor Multi-Coating Optics SV501P

$68.99
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SPECIFICATIONSWater Resistance Level: IPX6Viewfinder: 5x20 OpticalType: MonocularSV102 Tripod: Aluminum alloy adjustable tripodSV102 Max. Height: 125cmSV101 Tripod: Aluminum alloy adjustable tripodSV101 Max. Height: 138cmPrisms Diagonals: 1.25inch; 90-Degree Erecting Prisms DiagonalsPrism Description: BK7Optical system: RefractiveObjective lens diameter: 70mmObjective lens: 2-elements in 2 groups Achromatic objective lens optical system designObjective Lens Diameter: 70Objective Lens Cover: Dust w/ Rubber RingObjective (main) lens focal length: 420mm/400mmModel Number: SV501Model: SV501/SV501PMaterial: MetalMagnification: 20/21XLens Coating Description: MCFocus Type: CENTRALFocal ratio: F6/F5.7Field of View: 50Eyepiece diameter: 20Eyepiece: 1.25 inch K20mm

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