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  • Using Telecentric Lenses
    systems in which the magnification of an object changes with its distance from the lens. Telecentric lenses optically correct for this occurrence so that objects remain the same perceived size independent of their distance, over a range defined by the lens. With the field of computer technology growing
  • Telecentric Lens Optimization for Machine Vision
    , fisheye, varifocal, and telephoto are a few lens types of on the market. One question that many come up is "Should our vision system employ a telecentric lens?" How can you determine whether such a lens is suitable? Four important benefits of telecentric lenses over traditional lenses are: removal
  • What is Telecentricity?
    to be circular in the image plane of a telecentric lens. In a non-telecentric lens this same object will look like the Leaning Tower of Pisa; the top of the object will appear to be elliptical, not circular, and the side walls will be visible (see Figure C).
  • Understanding Video and Imaging Equipment
    parallax, this is a phenomenon in conventional lenses which causes a change in magnification as it moves in and out from best focus. Closer objects appear larger than objects further away. Telecentric lenses optically correct for this occurrence. Sensor Size: The size of a camera sensor's active area

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