ZS7050 Profesional Binocular Stereo Microscope, WF10x/22 Eyepieces, 7X-50X. Microscope installation and adjustment demonstration video? In the video at this link t is ZS7050 microscope installation and eyepiece adjustment tutorial video, if you need to to watch. This item is in the category "Collectibles\Science & Medicine (1930-Now)\Scientific Instruments\Microscopes, Lab Equipment". The seller is "uvhr1791" and is located in this country: US.This item can be shipped worldwide.