70mm Astronomical Reflector Telescope With Tripod Waterproof

Description: Refraction / focal length: 360mm, optical aperture: 50mm,Can be set 18X 27X 60X 90XTheoretical resolution: 2.000 arc seconds,Tripod up to 35 cmActive aperture: 50mm (2.4 \").Focal length: / mirror: 90 °Standard 0.965 inch package includes:Eyepiece: SR4mm, H20mm, 3x Barlow maximum magnification of the item: 90 times (lens focal length / eyepiece focal length * several baro times = maximum magnification)Telescope Adjustment - The beginner telescope can be easily adjusted different angles, offer you see the Starry sky and landscape clearly. Easy to assemble and disassemble. Specification: Item: F36050 Astronomical TelescopeClear aperture: 50 mm (2.4\'\' Approx.)Focal distance: 360 mm(f/7)the degree Objective Len:90 Degreethe Height Aluminium tripod:38cmDistinguishability: 2.000 second of arc (Theoretically speaking, it\'s able to distinguish two goods between 0.97 cm over 1000m distance.) Max Multiples: 90 times ---- Be able to see the clearly For the other possible Multiples: (the focal distance is 300mm)Eyepiece H 6mm Only = 360/6 = 60 ed with 1.5 times erecting lens=50*1.5 =90 times (Good for Observing the at night.) Eyepiece H20mm Only = 360/20= 18 times. Matched with 1.5 times erecting lens=18*1.5=27 times (Good for obeject observing at day time,like bird seeing, animal spotting,etc.) Package Includes: 1 Set Beginner Astronomical Telescope Giá sản phẩm trên Tiki đã bao gồm thuế theo luật hiện hành. Bên cạnh đó, tuỳ vào loại sản phẩm, hình thức và địa chỉ giao hàng mà có thể phát sinh thêm chi phí khác như phí vận chuyển, phụ phí hàng cồng kềnh, thuế nhập khẩu (đối với đơn hàng giao từ nước ngoài có giá trị trên 1 triệu đồng).....