Introduction to Microscope Eyepiece Technical Specifications of Microscope
1. The placement of biological microscopes should be in a dry and clean room to avoid mold on optical components, rust on metal parts, and dust accumulation. After using the microscope, immediately put it back into the box (cabinet), or cover it with a glass or plastic cover, and put in the drying agent.
2. Do not disassemble each component by yourself; The lens tube should be inserted with a contact lens or a protective cover to prevent dust from entering from the upper part of the lens tube; Do not touch or wipe the surface of the lens with your fingers. If there is dust, gently brush it off with a soft brush first, and then use a soft cleaning cloth to wipe it. You can also use lens wiping paper dipped in a little xylene or petroleum to try wiping, but be careful not to draw stripes on the surface of the lens. If there is mild mold on the lens and cannot be wiped off with wiping paper, a cotton swab dipped in a small mixture of 70% ethanol and 30% acetaminophen can be gently wiped.
3. Biological microscopes should not be placed together with corrosive acids, downgraded or highly volatile chemicals to prevent corrosion and shorten their service life. In principle, when observing specimens containing liquids, it is generally necessary to cover them with a cover glass; If the liquid contains corrosive chemicals such as acids and bases, the edges of the cover glass should be sealed with paraffin or Vaseline and then observed. However, due to the frequent use of such reagents during microscopic identification of traditional Chinese medicine, it is not possible to seal them all. Therefore, special care should be taken to prevent liquid from flowing onto the stage and not touching the objective lens.
4. The biological microscope should not be exposed to direct sunlight, nor should it be placed near the stove or heating to avoid excessive changes in temperature that may cause detachment, deformation, or damage to the lens and components.
5. Cleaning the objective lens is limited to the outer surface. After the contact surface is contaminated with drugs, use a mirror paper dipped in a small amount of wiping solution to wipe it (do not use ethanol); If the back needs to be cleaned, a soft brush can be used to wipe it off, or a leather suction head can be used to remove dust.
6. When adjusting the thickness and focusing ratio of aluminum, the action should be slow and do not crush the cover sheet to prevent damage to the objective lens and collector due to controlled impact.
7. After using the oil lens, it is necessary to wipe off the cedar oil on the lens (you can use lens wiping paper dipped in a little xylene to wipe it off, but note that xylene cannot penetrate into the inside of the lens, otherwise xylene will dissolve the adhesive between the lenses and cause the lens to fall off).
8. The mirror surface of the reflector should be protected and cleaned to prevent water, xylene, or cedar oil from penetrating, in order to prevent the mercury from falling off the reflector.
9. If the mechanical part is not flexible, you can use a fine silk cloth dipped in xylene to wipe off rust and grease (do not use ethanol, as these solvents will corrode the paint), and then lubricate with a little liquid stone cloth; Do not forcefully twist it too tightly to avoid damage.
10. Sometimes stains or foreign objects are found in the field of view of a biological microscope, and the eyepiece can be rotated first. If these stains rotate along with it, it can be determined that the stains are on the eyepiece; Otherwise, the specimen can be moved, and if the stain moves with it, the stain is on the specimen. If neither is true, then the stain is on the objective lens. You can first pick up the front lens of the food lens and then check the back lens. Clean according to the situation.
