Step-by-step placement details for using a microscope
Picking up and placing the mirror
1. Hold the arm of the microscope with your right hand and the base of the microscope with your left hand.
2. Place the microscope on the lab bench, slightly to the left (the microscope is placed about 7 cm from the edge of the bench).
(the microscope is placed about 7cm from the side of the lab bench). Install the eyepieces and objective lenses.
Align the light.
3. Turn the converter so that the low-power objective lens is aligned with the aperture (the front of the objective lens should be kept at a distance of 2 cm from the stage).
4. Aim a larger aperture at the aperture. Gaze into the eyepiece with your left eye (keep your right eye open for later simultaneous drawing). Turn the reflector so that the light is reflected through the aperture into the barrel of the mirror. Through the eyepiece, a white bright field of view can be seen.
Observation
5. Put the slide specimen to be observed (can also be made of thin paper with "6" printed on it) on the carrier table, press it down with a pressure clamp, and the specimen should be right in the centre of the aperture for light transmission.
6. Turn the coarse focusing screw, so that the barrel of the mirror slowly down until the objective lens close to the slide specimen until (eyes looking at the objective lens, so as not to touch the slide specimen).
so that the objective lens does not touch the slide specimen).
7. Look into the eyepiece with your left eye and turn the coarse focusing screw in the opposite direction so that the barrel of the mirror rises slowly until you can see the object image clearly.
The left eye looks into the eyepiece and turns the coarse focusing screw in the opposite direction. Then turn the fine focusing spiral slightly to make the image clearer.
8. The use of high-magnification objective: before using the high-magnification objective, you must first use the low-magnification objective to find the object of observation, and adjust to the centre of the field of view, and then turn the lens.
The centre of the field of view, and then turn the converter and then change the high power lens. After changing to high magnification, the brightness in the field of view becomes darker, so generally
A larger aperture is chosen and the concave side of the reflector is used, then the fine focusing screw is adjusted. The number of objects viewed becomes smaller, but the
the number of objects viewed becomes smaller but the size becomes larger.
Organisation
8. When the experiment is finished, wipe the exterior of the microscope clean. Turn the converter, deflect the two objective lenses to the sides, and lower the mirror
The tube is slowly lowered to its lowest point and the reflector is placed vertically. Finally, put the microscope into the mirror box and return it to its original place.
