Abstract
This paper shows the best selection and combination of glass in lens design, to correct a chromatic aberration using achromatic and apochromatic conditions. Using this research result, we have designed a telecentric lens for machine vision in the full range of visible light. We obtain good optical quality in the form of a quite small RMS wavefront error of 0.057 λ in the super-broadband wavelength range 380 nm -780 nm. This result is better than that for a common telecentric lens in the visible wavelength range 486.1-656.2 nm.Keywords: Achromatic lens, Apochromatic lens, Telecentric lens, Chromatic aberration, Lens design OCIS codes: (220.3620) Lens system design; (220.0220) Optical design and fabrication; (160.4670) Optical Materials
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