This portable aluminum 2-in-1 8x monocular & 40x microscope is the most unique and useful magnifying instruments today. It features two components that combine to create two different optical devices. The magnifier can transform into an 8x20mm monocular, and when threaded together, become a precision 40x portable microscope. The 2-in-1 Magnifier is a multifunctional magnifier that will perform the duties of different magnifiers, all in one device. It is 7.5cm long, 45g weight, fits snugly in a pocket or hooks onto a belt and suit for watching the performances of idols, sports competitions or outing.