Telecentric lenses are a type of optical lens specifically designed for high-precision machine vision inspection. Their core feature is achieving nearly parallel incident light rays within a certain working distance, effectively eliminating perspective errors. Compared to ordinary lenses, telecentric lenses show almost no impact on image size when the height of the object being measured changes, significantly improving the accuracy and repeatability of dimensional measurement and positioning. Telecentric lenses possess low distortion, high resolution, and stable magnification imaging characteristics, faithfully reproducing object edges and geometric contours, making them particularly suitable for high-precision dimensional measurement, defect detection, position guidance, and alignment applications.

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