The MA-30 MagniScope from Carson Optical is the most unusual and useful magnifying instruments ever offered. Two components combine to create three different optical devices... an 8x20mm Monocular, 3x power stand Magnifier, and when threaded together, a precision 30x portable Microscope. 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.