Astronomical Telescope can set 60X, 18X, the mirror group plus 1.5X, 90X, 27X .A small refracting te telescope with a larger diameter (50mm), accounting for little place:Easy assembly with no tools required.Equipped with two different magnification eyepieces and 1.5X multiplier mirrors, so that you can freely mix, observe different distances and sizes objects:Coated all-glass optics for enhanced image brightness and clarity.Refractive astronomical telescope with 50mm aperture and 360mm focal length, 90x maximum power:High quality. Aluminum alloy construction, lightweight and portable, good choice for students or those who want to learn more about space and nature:Suitable for beginners astronomy enthusiasts, especially a best gift for your children