XJX-100, 200300 type monocular, binocular, and trinocular metallographic microscopes

　　XJX-100, Overview of 200300 Monocular, Binocular, and Trinocular Metallographic Microscopes:
XJX metallographic microscope is a portable upright metallographic microscope, which contains a continuously adjustable brightness light source illumination device, adjustable size of the sight beam and aperture beam, a sample stage that can be moved vertically and horizontally, and a coaxial coarse and fine adjustment focusing mechanism that can be fixed in position at any time. The optical system is equipped with three objective lenses and two types of field of view eyepieces, which can obtain commonly used integer magnifications. Therefore, this product is suitable for routine metallographic observation in industrial and mining, scientific research, teaching and other units, especially for observing small particles and powder samples, conducting large-scale metallographic inspections and silicon wafer inspections, etc. It is more suitable with a magnification of 40x-500x.
　　Main features:
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　　Main functions:
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Model parameter configuration table:

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　　Extended reading:

　　Seven observation methods of microscope
1. Brightfield observation
Bright field microscopy is a well-known method of microscopic examination, widely used in pathology and testing to observe stained sections. All microscopes are capable of performing this function.
2. Darkfield observation
Dark field of view is actually dark field illumination. Its characteristics are different from bright field of view, as it does not directly observe the illuminating light, but rather observes the reflected or diffracted light of the object being inspected. Therefore, the field of view becomes a dark background, while the object being inspected presents a bright image.
3. Phasecontrast method
In the development of optical microscopes, the successful invention of phase contrast microscopy is an important achievement in modern microscopy technology. We know that the human eye can only distinguish the wavelength (color) and amplitude (brightness) of light waves. For colorless and transparent biological specimens, when light passes through, the wavelength and amplitude do not change much, making it difficult to observe the specimen in a bright field.
4. Differential Interference Contrast Microscopy (DIC)
Differential interference microscopy emerged in the 1960s, which not only allows for the observation of colorless and transparent objects, but also presents images with a three-dimensional relief effect, and has certain advantages that phase contrast microscopy cannot achieve, resulting in more realistic observation effects.
5. Polarizing microscope
Polarized microscope is a type of microscope used to identify the optical properties of material microstructures. Any substance with birefringence can be clearly distinguished under a polarizing microscope. Of course, these substances can also be observed by staining, but some are impossible and must be observed using a polarizing microscope.
6. Relief contrast microscope (RC)
Oblique light shines on the specimen, causing refraction and diffraction. The light passes through the objective lens density gradient adjuster, producing different shadows, thereby creating a difference in brightness on the surface of the transparent specimen and increasing the observation contrast. In 1975, Dr. Robert Hoffman invented it. In 2002, the patent expired and various microscope manufacturers launched RC technology products named after themselves.
7. Fluorescence Microscopy
Fluorescence microscopy is the process of irradiating a fluorescein stained object with short wavelength light to excite it and produce long wavelength fluorescence, which is then observed.