18 August 2005 Glass choice in the Tessar anastigmat
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A set of 200 Tessar lenses, covering a wide range of f/ numbers and angular fields, was designed with a consistent optimization scheme. Four different high-index crown glasses were used for the front and back elements, while the glasses of the remaining two elements were optimization variables. The imaging quality and trends in the index and dispersion of the variable glasses were analyzed and described.
© (2005) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John F. Isenberg, John F. Isenberg, } "Glass choice in the Tessar anastigmat", Proc. SPIE 5865, Tribute to Warren Smith: A Legacy in Lens Design and Optical Engineering, 58650A (18 August 2005); doi: 10.1117/12.624557; https://doi.org/10.1117/12.624557


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