The Motic DSK-500 is a CMO Stereo Microscope System with optical clarity and instant understanding with a side-by-side conversation waiting to commence. It features a 45° Binocular stereomicroscope head [primary and secondary units] and a Common Main Objective [CMO] Infinity Optical System. It comes with Wide-field eyepieces 10X / F.N. 21, a standard 1x Achromat objective, and a Dual observation optical bridge with pointer on primary unit. The 5 magnification stops are: 6.4X, 10X, 16X, 25X, and 40X.