Mijiao Telescope for Kids, Astronomical Telescope Zoom 90X HD Outdoor Monocular Space Telescopes Portable Refractor Spotting Scope With Tripod, Telescope for Adults, Kids and BeginnerHigh Quality Optical: This small refracting astronomical telescope has theoretical resolution: 2. 000 arcseconds, 50mm aperture and 360mm focal length, 90 times maximum power, fully coated optical glass with high transmittance coating produces stunning bright and clear. the kids telescope is perfect for kids beginners or astronomy enthusiasts to explore birds and animals, get up close with nature, peer into outer space, and get smart about science.