Optical system: refractive3 X multi-magnification eyepieceStimulates curiosity - Children's astronomical telescope allows your child to see incredible detail; for girls and boys interested in space, the moon and astronomy.1 X telescope bodySatisfaction guaranteed - You and your child will love this telescope! We take pride in the quality of our products and our MIS to inspire a love of science in children.1 X extendable tripodHigh-quality optical glass - This easy-to-use telescope, low-power and high-power eyepiece; with 20×, 40×, and 60× magnification eyepieces, if used properly, this combination makes it easy for your child to find the moon and then zoom in for a close-up shot.Eyepiece magnification: 20X/40X/60XStabilizing Tripod - Use the included tripod to stabilize your astronomical telescope for the best viewing results.1 X bracket adjustment knobPerfect for beginners - This telescope is easy to assemble and use, making it ideal for young geniuses to enjoy with their parents. lens aperture: 57mm