Telescope for Kids Beginners,150X Astronomy Monocular Telescopes 300/70mm with Phone Adapter, Camera Wire Shutter, Moon Filter and Backpack- Adjustable Tall Tripod

Magnification Choices: Magnification=Focal Length/Eyepiece Diameter Eyepiece: H6mm, H20mm. 300/6 = 50X, 300/20 = 15X 1.5X Barlow lenses together: 50 x 1.5 = 75X, 15 x 1.5 = 22.5X 3X Barlow lenses together: 50 x 3 = 150X, 15 x 3 = 45X Specification: Magnification: 15-150X Objective Diameter: 70 mm Focal Length: 300 mm Eyepiece: H20mm(15X), H6mm(50X) Diagonal Mirror: 90 degree Prism Glass: BAK4 Lens Coating: FMC Net weigh of telescope:1.85 lb Packet List: 1 x Astronomical scope 1 x Aluminum alloy tripod 1 x Finder scope(4X25) 1 x 90 diagonal mirror 2 x Eyepieces (H6/H20mm) 2 x Barlow lenses (1.5/3X) 1 x Moon filter(green) 1 x Smartphone adapter 1 x Camera Wire shutter 1 x Backpack