A telecentric lens is a special type of optical lens (often an objective lens or a camera lens) that has its entrance or exit pupil, or both, at infinity. Telecentric lens image magnification is insensitive to either the distance between an object being imaged and the lens, or the distance between the image plane and the lens, or both; this specialized optical property is called telecentricity.
A telecentric lens is a special type of optical lens (often an objective lens or a camera lens) that has its entrance or exit pupil, or both, at infinity. Telecentric lens image magnification is insensitive to either the distance between an object being imaged and the lens, or the distance between the image plane and the lens, or both; this specialized optical property is called telecentricity.
Source: Wikipedia "Telecentric lens" · CC BY-SA 4.0
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