Hoghton’s camera and telescope |
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| Affiliation: | 1. DII – University of Naples Federico II, Naples, Italy;2. TVP Solar SA, Geneva, Switzerland;1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, No. 2 Beinong Road, Changping District, Beijing 102206, China;2. Scholl of Control and Computer Engineering, North China Electric Power University, No. 2 Beinong Road, Changping District, Beijing 102206, China;3. Pudong Power Supply Company, Shanghai Municipal Electric Power Company, Pudong District, Shanghai 200122, China;1. Turkish Land Forces NCO Vocational College, Automotive Sciences Department, 10110 Balikesir, Turkey;2. Balikesir University, Department of Mechanical Engineering, 10145 Balikesir, Turkey;3. Balikesir University, Department of Industrial Engineering, 10145 Balikesir, Turkey |
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| Abstract: | The third-order aberration formulae we have proved in a previous paper, starting from Fermat’s principle and from the idea of stigmatic paths, are here applied to analyze and to project Houghton’s cameras and Houghton–Cassegrain’s telescopes. The final values of the radii of the two-lens corrector are obtained taking into account also the thickness of lenses and the fifth-order aberrations. |
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