Professional Astronomical Telescope Large Aperture For Outdoor Viewing Of The Moon And Stars Children's Gifts

Feature: Optical system: refractive Linear field of view: 61ft (19m) Caliber: 70mm Optical coating: Anti-reflective coating Focal length: 300mm Barov magnification mirror: 3X/1.5X Focal ratio: F5.7 Exit pupil diameter: 2.2mm Eyepiece 1:20mm Resolution<=4.0 Magnification: 15X Distortion: 4.9% Eyepiece 2: 6mm Gathering power: 73.5X Magnification: 50X Perspective: 1.30 degrees Finderscope: 5x24 Tracking system: platform Equatorial mount Star diagonal: 48 ° positive image Star diagonal Tripod: Aluminum alloy tripod 46.5-56.5cm Combination 1.5X doubling: 22.5x/75x Combination 3X doubling: 45x/150x Specification: Model Number:30070 Lens Type:Refractive Type: Monoculars Origin:Mainland China Function Type:Ordinary Telescope Use:Astronomical Telescope Package Included: 1xtelescope set