Imaging Principles of Line Scan Industrial Lenses




Line scan lens is one of the categories of industrial lenses, is an essential part of the machine vision inspection system. The quality of the lens will directly affect the overall performance of the machine vision system, line scanning industrial lens selection is the key to the vision system, so for the imaging principle of the line scanning lens, we should also have some understanding.



The imaging principle of line-scan industrial lenses utilises the synergy of the camera lens as well as the sensor to capture and record images of stationary or moving objects. This imaging principle is mainly used in industrial inspection, machine vision and automation. Scanning industrial lenses can capture one part of the object being photographed at a time and record it continuously as a complete image. The principle is mainly based on the technology of progressive scanning. This type of scanning can be used to capture fast-moving objects, thus avoiding the problem of blurred images caused by motion.




The main function of a line-scan lens is to project an image of the subject onto the sensor by focusing light. The lens usually consists of multiple optical lenses that adjust the focusing of the light and the imaging effect.




When the line scanning industrial lens starts scanning, the lens will start scanning each part of the object line by line according to the predetermined scanning frequency, and record the image of each line continuously.




POMEAS line scan industrial lenses, with a variety of categories, high uniformity, low distortion, anti-vibration design, high resolution, high contrast clarity, very suitable for factory automation, machine vision, intelligent detection, image processing and other occasions with very high requirements for image quality, widely used in defect detection, surface texture and colour detection, PCB inspection, line detection and many other precision identification fields.

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