Analysis of optical faults in microscopes
The dual images of the microscope do not overlap. In binocular observation, sometimes there may be a phenomenon of non coincidence of the two images. The occurrence of non coincidence of the two images does not matter whether it is due to inconsistent compensation of the lengths of the two barrels The significant difference in magnification between the two eyepieces is due to three reasons: the movement of the binocular prism caused by vibrations during use or transportation. For the first two reasons, they are calibrated and selected at the factory, and can be solved by paying attention to the methods and matching during use.
The third reason for microscopes is quite common. At this time, the binocular housing should be opened, a cross ruler should be placed on the platform, and 10X dividing eyepieces should be inserted into the left and right barrels for observation. The position and angle of the binocular prisms should be corrected, and when the binocular eyepieces are rotated to different angles for observation, the position of the cross ruler should be at the same position in the field of view of the left and right eyepieces, and then fixed firmly.
When observing with a binocular microscope, sometimes there may be inconsistencies in brightness and color between the left and right fields of view, which can affect the observation. This is due to the damaged spectral film of the prism. In this case, the prism should be removed and sent to the microscope manufacturer for re coating before assembly and use.
Before purchasing, you should clarify what sample you want to observe?
Because microscopes are classified by function, there are generally polarizing microscopes, metallographic microscopes, biological microscopes, stereomicroscopes, etc. And different functional microscopes have different uses. Polarized microscopes are mainly used for geological and mineral research, * * analysis, observing the structural details of crystalline inclusions, nerve fibers, animal muscles, plant fibers, etc. in teeth, bones, hair, and living cells, and analyzing the degeneration process. Metallographic microscope is mainly used for observing, identifying and analyzing the internal structure and structure of various opaque materials such as metals. Suitable for factories, mines, universities, and research departments. Biological microscopes are mainly suitable for diagnosis, laboratory testing, teaching, and research in the field of health, as well as in schools and research institutions. So, before purchasing, you should clarify what sample you want to observe, so that the merchant can recommend a suitable microscope for you.
