The present invention relates to a small handheld microscope for viewing oral bacteria on the skin and oral bacteria present on the gums. The existing designed Demodex and oral bacteria microscopes are bulky and heavy, making it difficult to carry and obtaining images without movement at high magnification. Because of the need to use a heavy (metal, iron) material and the like to focus and fix the problem was difficult to carry a high magnification microscope. ; The present invention is designed to be able to separate the structure of the existing microscope with a single fixed stage, but to change the structure of the existing microscope to a portable Demodex and oral bacteria can be seen and the fixed end is a plastic injection material It relates to a device for separating the microscope barrel. ; Demodex germ slide holder lens lever
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