AmScope 3.5-90X Simul-Focal Stereo Zoom Microscope Boom Stand+144 LED Ring Light
Amscope 3.5X-90X Trinocular Simul-Focal Lockable Stereo Zoom Microscope w/144 LED Compact Ring Light on Double Arm Boom Stand. The simul-focal optics in this microscope allow the trinocular port to be used simultaneously with both eyepieces.