Telecentric lenses are optical lenses designed specifically 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 maintain consistent and reliable imaging performance under complex lighting conditions and in continuously operating industrial environments. They are widely used in fields such as semiconductor testing, precision electronics manufacturing, precision assembly, automated measurement, and robot vision, and are key optical components of high-precision machine vision systems.

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