Monocular Student Introductory Science Teaching Multi-Powered Eyepiece 20X 30X 40X Product detaila: Stimulates curiosity - Children's astronomical telescope allows your child to see incredible detail; girls and boys interested in space, the and astronomy. optical glass - This easy-to-use telescope, low-power and high-power eyepiece; with 20×, 30×, and 40× magnification eyepieces, if used properly, this combination makes it easy for your child to find the and then in for a close-up shot. Stabilizing Tripod - Use the included tripod to stabilize your astronomical telescope for the viewing results. for beginners - This telescope is easy to and use, making it ideal for young geniuses to enjoy with their parents. Satisfaction guaranteed - You and your child will this lunar telescope! Product Specifications: Eyepiece magnification: 20X/30X/40X Clear aperture: 50mm (2.4″) Focal length: 360mm.f/7 mirror: 90° Focusing distance: 17cm/6.69inch Optical system: refractive Product content: 1 x telescope body 3 x multi-magnification eyepiece 1 × extendable tripod