Bộ Kính Thiên Văn Kèm Chân Tripod F36050 Dành Cho Trẻ Em Mới Bắt Đầu

Giới thiệu Bộ Kính Thiên Văn Kèm Chân Tripod F36050 Dành Cho Trẻ Em Mới Bắt Đầu

Description:
Refraction / focal length: 360mm, optical aperture: 50mm,Can be set 18X 27X 60X 90X
Theoretical resolution: 2.000 arc seconds,Tripod up to 35 cm
Active aperture: 50mm (2.4 '').Focal length: 360mm.f / 7.Tilt mirror: 90 °
Standard 0.965 inch package includes:Eyepiece: SR4mm, H20mm, 3x Barlow lens.The 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 Telescope
Clear aperture: 50 mm (2.4'' Approx.)
Focal distance: 360 mm(f/7)
the degree Objective Len:90 Degree
the Height Aluminium tripod:38cm
Distinguishability: 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 moon clearly
For the other possible Multiples: (the focal distance is 300mm)
Eyepiece H 6mm Only = 360/6 = 60 times.Matched with 1.5 times erecting lens=50*1.5 =90 times (Good for Observing the moon 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

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