1.Types of microscopes:

Microscopes can be divided into video microscopes, stereo microscopes, metallographic microscopes, and biological microscopes according to the object of their observation of the sample.

 

Video microscope: Also known as digital microscope, it converts the physical image seen by the microscope through digital-to-analog conversion to make it image on the screen or computer that comes with the microscope. Generally used in the industrial field, for appearance defect detection, process analysis, dimensional measurement and other applications.

Stereo microscope: It is essentially two single-tube microscopes placed side by side, and the optical axes of the two lens tubes constitute a viewing angle equivalent to the viewing angle formed when people observe an object with both eyes, thereby forming a three-dimensional visual image in a three-dimensional space.

Metallographic microscopes: Microscopic systems for advanced materials research, excellent optics with ultra-high contrast and resolution. A variety of observation methods are available, using reflected light to observe samples in brightfield, darkfield, and polarized light to obtain more abundant information.

Biological microscope: It is a precision optical instrument used to observe biological slices, biological cells, bacteria, living tissue culture, and liquid sediment objects. It is generally used in medical and health units, colleges and universities, and research institutes.


2.The structure of the microscope:

The basic structure of microscope structure, including industrial camera, eyepiece, objective lens, stage, converter, light source. Of course, the overall structure is far more than the above-mentioned core components.

 

Industrial camera: Industrial camera is also commonly known as industrial camera. Compared with traditional civilian cameras (cameras), it has high image stability, high transmission ability and high anti-interference ability. Most industrial cameras on the market are based on CCD or CCD camera. CMOS chip camera.

Eyepiece: The mirror that the eye sees directly, divided into wide-angle eyepiece and ordinary eyepiece. Wide-angle eyepieces have a wider field of view due to their larger diameter, making viewing more comfortable.

Objective lens: that is, the mirror that is close to the observation specimen. A better objective lens can eliminate chromatic aberration and make the imaging effect clear and sharp.

 

3. Selection of microscope observation parameters:

The interfaces of industrial cameras have different functions. The general VGA and HDMI interfaces only have the functions of observing and taking pictures. The industrial cameras with USB interfaces have the functions of image acquisition, image measurement, calibration, storage format, image processing, and target analysis.


The left is the magnification, there are 10X, 15X, 20X, generally 10X is enough, 22MM on the right represents the diameter of the eyepiece, that is, the size of the screen that can be seen. The larger the value, the larger the screen. 10X-22mm: It means that the magnification of the eyepiece is 10 times, and the diameter of the eyepiece is 22mm.