VEVOR 3.5X-90X Simul-Focal Trinocular Stereo Microscope W/ Dual Arm Boom
It has a 3.5X-90X zoom range when used with 0.5X and 2.0X lenses (included). The digital microscope is adjustable in working distance, interpupillary distance, and diopter. 3.5X-90X Trinocular Stereo Microscope.