The difference between metallography and optical microscopy
Microscopes help users observe life, but life contains many samples with different structures, such as birds, animals, soil, sand, and stones. Therefore, when observing different samples, we need to apply different tools. So, what is the difference between metallographic microscope and optical microscope?
Microscopes can generally be classified according to their applications and structures, including biological microscopes, polarizing microscopes, and metallographic microscopes. The metallographic microscope we refer to is actually a branch of the microscope, which is used to observe and study the metallographic structure of certain samples in the industrial field.
In fact, ultimately, metallographic microscopes belong to optical microscopes. Metallographic microscopes are essential accessories and functions added to optical microscopes for industrial research, such as bright and dark field observation, polarization observation, and differential interference observation. Metallographic microscopes are generally used as microscopes for metallographic testing.
The above is an introduction to the differences between metallographic microscopes and optical microscopes. In fact, there are no similarities or differences in the overall structural types of various microscopes. It is only necessary to modify the microscope appropriately according to different application requirements to meet the corresponding research needs. That's all.
Optical microscopes and electron microscopes can respectively observe the structures of cells. Optical microscopes have lower resolution and can only see relatively large, colored (or stained colored) cell structures, such as chromosomes (observed after staining with alkaline fuel), nuclei and nucleoli (with differences in refractive index compared to other parts of the cell), chloroplasts (containing pigments for observation), mitochondria (visible after staining with Jianna green), and large vacuoles (usually containing pigments for observation). The structure that can be observed under an optical microscope is called the microstructure of cells.
Electron microscopy has a high resolution and can see all structures in cells. The structure that can be observed under an electron microscope is called the submicroscopic structure of cells.
