What should you do first when aligning a reading microscope with light?
Reading the light of a microscope is a very important step when using a microscope. When aligning the light, some students just turn an objective lens to face the light aperture instead of using a low-power lens to focus the light as required. I like to use one hand when turning the reflector, and often pull the reflector down. Therefore, when instructing students, teachers must emphasize the use of low-power mirrors to focus the light. When the light is strong, use small apertures and flat mirrors, and when the light is weak, use large apertures and concave mirrors. The reflectors should be turned with both hands. When looking at to a uniformly bright circular field of vision. After the light is aligned, do not move the microscope casually to prevent the light from entering the light aperture accurately through the reflector.
There are circular holes of different sizes on the shutter, called apertures. Using different apertures to align the light holes can adjust the intensity of the light. The specimen is generally located in the center of the light hole for easy observation.
The meaning of magnification is the eyepiece magnification multiplied by the objective lens magnification. The one closest to the eye is called the eyepiece. The length of the eyepiece objective has nothing to do with the magnification. The distance between the objective lens and the slide has no bearing on the magnification. Magnification is also greater with larger but fewer cells in the field of view. The magnification has nothing to do with the brightness of the field of view, but everything to do with the reflector and shading mirror.
Move the eyepiece and the dirt moves, then the dirt will be in the eyepiece. Move the objective lens and the dirt will move, then the dirt will be in the objective lens. Move the slide and the dirt will move, and the dirt will remain on the slide. Just keep the other two still and move the other one.
First the low power lens and then the high power lens.
Unity: They all have cell membranes, cytoplasm, ribosomes, and nucleic acids. All cellular organisms have DNA and RNA, and the genetic material is DNA.
Difference: The essential difference is that prokaryotes do not have a formed nucleus wrapped in a nuclear membrane.
