The (MTEL-50) Aim refractor-type Telescope from Carson Optical is rugged and easy to operate, making it perfect for the beginning observer. Features a focal length of 350mm, a power range of 20x-80x and an adjustable tabletop Tripod for steady viewing. At Carson, we strive to make sure our customers are 100% satisfied with the quality of our products. We are so confident in our products that we back them with a One Year Limited Warranty! This Carson product is warranted to be free from defects in material and workmanship for a period of one year from date of purchase. Please contact Carson for additional warranty details.