YANG Li-hua, FAN Xue-wu, ZOU Gang-yi. Design of large-aperture camera lens working in wide spectral range[J]. Journal of Applied Optics, 2009, 30(6): 925-928.
Citation: YANG Li-hua, FAN Xue-wu, ZOU Gang-yi. Design of large-aperture camera lens working in wide spectral range[J]. Journal of Applied Optics, 2009, 30(6): 925-928.

Design of large-aperture camera lens working in wide spectral range

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  • A large-aperture camera lens working in the wide spectral range is designed, whose main optical parameters are shown as follows: f= 200mm, D= 160mm, 2=18, =400~950nm. The double Gauss objective is complicated by adding the quantity of lens, dividing a thick lens into some lenses and choosing glasses with similar dispersive characteristic, and the imaging quality is improved by minishing the clear aperture of the lens to eliminate partial marginal beam. The MTF of the finallydesigned system is higher than 0.55 at the spatial frequency of 30lp/mm. All sorts of the aberrations are corrected well, and the image quality is uniform in all the fields. The parameters obtained for the system meet the requirement of the large aperture camera lens working in the wide spectral range.
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