17 December 2014 The 2014 IODC lens design problem: the Cinderella lens
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Proceedings Volume 9293, International Optical Design Conference 2014; 929303 (2014) https://doi.org/10.1117/12.2074232
Event: International Optical Design Conference, 2014, Kohala Coast, Hawaii, United States
The lens design problem for the 2014 IODC is to design a 100 mm focal length lens in which all the components of the lens can be manufactured from ten Schott N-BK7 lens blanks 100 mm in diameter x 30 mm thick. The lens is used monochromatically at 587.56 nm. The goal of the problem is to maximize the product of the entrance pupil diameter and the semi-field of view while holding the RMS wavefront error to ≤ 0.070 wave within the field of view. There were 45 entries from 13 different countries. Four different commercial lens design programs were used, along with six custom, in-house programs. The number of lens elements in the entries ranged from 10 to 52. The winning entry from Jon Ehrmann had 25 lens elements, and had an entrance pupil diameter of 33.9 mm and a semi-field of view of 62.5° for a merit function product of 2,119.
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Richard C. Juergens, "The 2014 IODC lens design problem: the Cinderella lens", Proc. SPIE 9293, International Optical Design Conference 2014, 929303 (17 December 2014); doi: 10.1117/12.2074232; https://doi.org/10.1117/12.2074232

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