Monocular telescope Main tube Color: Silver Refractive/Focal Length: 360 mm Optical aperture: 50 mm Can set 60 times, 18 times, the mirror group plus 1.5x 90 times, 27 times. Theory Resolution: 2.000 arcseconds Active Aperture: 50 mm (2.4 ") Focal Length: 360 mm.f / 7 Oblique mirror: 90 ° Tripod most highly: 34 cm Standard 0.965 inches attachment contains: Eyepiece: SR4mm, H20mm, 3 times Barlow lens Box size: 440mm * 210mm * 100mm Features: F36050 is a high-power children telescope, with a good observation of the performance of celestial bodies. Affordable, suitable for entry-level astronomy enthusiasts use, configure the two different magnification eyepiece can make you free to observe the different distance and size of the object.