It has a 70mm aperture and a focal length of 700mm. The telescope comes with an alt-azimuth mount for simple navigation. It is lightweight and portable, making it good for young astronomers. The optics provide sharp images of the Moon and planets. It includes two eyepieces and a finder scope. The Observer II is easy to assemble, making it beginner-friendly. Despite its small size, it offers good optical performance. It is one of the most affordable refractors available. This telescope is perfect for kids and casual stargazing.