Precautions When Using Stereo Microscopes
(1) The instrument should be protected from direct sunlight, high temperature, humidity, dust and corrosion of acid-base gases;
(2) The work room should be kept clean frequently, and the stereo microscope should be covered with a dust cover after use;
(3) The stereo microscope should be placed on a firm and stable workbench;
(4) Avoid contaminating the lens and color filter with dirt or fingers during operation of the stereo microscope.
