GEERTOP 90X Portable Astronomical Refractor Tabletop High Quality Telescope 360X50mm for Kids Sky Star Gazing Birds Watching

Amazon.co.uk Price: £15.51 (as of 01/08/2019 10:22 PST- Details) & FREE Shipping.

➤ MAGNIFICATION: 18X, 27X, 60X, 90X (6mm Eyepiece + Magnification = 60X; 6mm Eyepiece + Magnification with 1.5X Erecting Eyepiece = 90X; 20mm Eyepiece + Manification= 18X; 20mm Eyepiece + Manification with 1.5X Erecting Eyepiece = 27X).
➤ REFRACTION TYPE/ FOCAL LENGTH: 360mm, Aperture: 50mm. Luminous: 0.139,Object lens focus:360mm. Theoretical resolution: 2,800 arc seconds, which is equivalent to 1,000 meters can be seen 1.357 cm apart two objects.
➤ ALTITUDE-AZIMUTH MOUNTING. The high quality telescope is equipped with an altitude-azimuth mounting, can be moved vertically (altitude) and horizontally (azimuth).

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GEERTOP 90X Portable Astronomical Refractor Tabletop High Quality Telescope 360X50mm for Kids Sky Star Gazing Birds Watching

Amazon.co.uk Price: £15.51 (as of 01/08/2019 10:22 PST- Details) & FREE Shipping.