1. Place the microscope on the side of the laboratory sink or window. Moisture and dust are the killers of the microscope. Due to the wrong way of placement and place, the life of the microscope will be greatly shortened.

2. Microscope beginners have little knowledge of their basic principles and construction, and rude creations can be fatal injuries to the microscope. Such as: often moving, the force is too strong when picking and dropping, when the focus is adjusted, the focus adjustment system is lifted, the focal length and the pupil distance cannot be adjusted correctly.

3. The working distance of high-power lenses is usually very short, and improper operation can damage high-power lenses. For example, if the operator does not wipe or clean the 100X oil lens, it is a bad habit.

4. When converting the objective lens, the operator often rotates the object lens directly. It is not known that this operation will affect the coaxial and parfocal of the optical axis. The correct method of use is to rotate the objective lens converter to get the desired objective lens.

5. If the condenser or field diaphragm is too large or too small, and its position is adjusted too high or too low, the best microscopic image with the best resolution and sharpness will not be obtained. In short, to use the microscope to get the best microscopic image, you should know more and observe, so that you can become a master of the micro world.

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