What is a Telecentric Lens? [A Comprehensive Guide] In high-precision imaging and machine vision applications, accuracy is everything. That’s where telecentric lenses come into the picture. Unlike standard lenses, telecentric lenses are designed to maintain consistent magnification and eliminate perspective errors, making them essential for industries where precise measurement and inspection are critical. In this post, we’ll break down what telecentricity means, how telecentric lenses work, their advantages, applications, and how you can choose the right one for your needs. What is Telecentricity? Telecentricity refers to a unique optical property where the chief rays (the main light rays from an object) are parallel to the optical axis of the lens. In simple terms, a telecentric lens ensures that the size of the image does not change even if the object moves closer to or farther away from the lens. In conventional lenses, objects closer to the lens appear larger, creating perspective distortion. Telecentric lenses eliminate this effect, making them ideal for measurement and quality inspection tasks where even the smallest deviations matter. How Does a Telecentric Lens Work? A telecentric lens is designed with special optical elements, often incorporating an…