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Telecentric lens It is a key component in the high-precision machine vision measurement system. It has the characteristics of high resolution and low distortion. It can correct the parallax of traditional industrial lenses and reduce or even eliminate magnification changes, image distortion, perspective errors, and poor quality caused by object displacement. Image resolution and other issues. Telecentric lenses can be divided into coaxial telecentric lenses and non-coaxial telecentric lenses based on differences in light source technology. The main differences between these two Rwanda Sugar lenses are as follows ：
Non-coaxial telecentric lens
Features: low distortion, high telecentricity, high The characteristics of depth of field are suitable for precision inspection of factory automation.
Light source: Mostly use surface light source or parallel light source.
Use scenario: In some measurement scenarios, it may occur. Dark shadows cause poor viewing images and affect detection accuracy. ” />Coaxial telecentric lens
Also known as telecentric lens, it is an optical lens specially designed for industrial high-precision detection, measurement and machine vision applications.
Design: Different from ordinary lenses, Coaxial telecentric lenses can ensure that the light entering the lens is almost parallel to the optical axis and incident on the photosensitive element. This can significantly reduce the change in magnification rate caused by the viewing angle (also known as perspective error), thereby maintaining the size of objects at different distances. Consistency and accuracy of measurement.
Structure: Consisting of multiple lenses, the optical center of each lens is on the same straight line, which can make the image clearer and sharper.
Performance: Special attention is paid to Rwandans Escort material selection and structural stability during the design and manufacturing process to ensure that It can still maintain very good performance and long-term stability under conditions such as continuous operation, temperature fluctuation, vibration, etc. The high-quality coating technology not only improves the light transmittance, but also strengthens the lens against surrounding environmental factors such as dust. , humidity resistance, extending the service life of the lens and reducing maintenance costs
Light source: Using coaxial epilight lighting technology, shadow-free lighting can be achieved, RW EscortsThe image is more even and clearer than traditional light sources.
Use the scene:
Can be more direct Elegantly detects defects in Rwanda Sugar objects and transforms RW Escorts Observe the poor condition of the picture and improve the accuracy of the machine vision system. It is suitable for microscopes with reflective characteristics that can only be observed under coaxial illumination such as semiconductors, electronic equipment, and microelectronics. In fields such as objects, it can identify the characteristics of integrated circuits, glassRwandans Escort, liquid crystal panels, etc., and is suitable for automated imaging control of modern electronic manufacturing equipment. . In the detection of transparent glass defects, it can solve the problems of reflection and light transmission, clearly display the subtle defects on the glass, and have high detection efficiency. In the identification of packaging barcodes, it has the characteristics of high resolution and low distortion, and the captured barcode characters are clear and contrasting. The height is high and there is no deformation. In the PCB board positioning system, the product image can be clearly observed within a certain height, ensuring the stability and reliability of the system. Note: The content and illustrations in this article are written by the resident author. The article may be reproduced and published with the permission of the cooperating website. The opinions of the article only represent the author’s own, and do not represent the position of Electronic Fever Network. The article and its accompanying pictures are only for engineers’ learning purposes. If there is any inherent infringement or other violations, we will not disclose it. Please contact Rwandans Sugardaddy to report and appeal
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