Professional Astronomical Telescope Zoom HD High-Power Portable Tripod Camping Space Moon for Travel Children Telescope

High-concerned chemical : None Field of View : - Eyepiece diameter : H20mm/H12.5mm Prism Description : BAK4 Water Resistance Level : IPX4 Objective Lens Diameter : 40mm Lens Coating Description : FMC Magnification : 20X/32X Focus Type : CENTRAL Material : Metal Type : Monocular Origin : Mainland China