Can see on live polarex telescopes motor Unitron Microscopes
This short video discusses and illustrates the advantages to using a dual white light and UV-A light ring illuminator during OMNI Core & INSPEX II: 360° Rotating Viewer INSPEX II Product Feature: AshCal™ Calibration Tracking UNITRON Microscopes: Stereo & Vintage | NY Microscope Co. How to focus a microscope Tap water under the microscope! (You will be surprised!) ...