"Kenko Sky Walker SW-0" is a refracting telescope that can be used for both starry sky and ground observations. Compact and lightweight, it is convenient to carry even for kids. Easy assembly with one-touch tripod, it is easy to use for beginners, too. An objective lens effective diameter of 50 mm allows you to see the craters on the moon and other planets. A zenith mirror for astronomical observation and an upright prism for ground observation are included.