11 November 2016 The simulation of residual optical aberrations of the 8-inch Clark objective of the astronomical observatory in Ondřejov
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Proceedings Volume 10151, Optics and Measurement International Conference 2016; 1015116 (2016) https://doi.org/10.1117/12.2256660
Event: Optics and Measurement 2016 International Conference, 2016, Liberec, Czech Republic
Abstract
The 8-inch Clark objective lens of the Astronomical Institute of the Czech Academy of Sciences is probably the oldest doublet used for professional astronomical observation in the Czech Republic. Its optical imaging performance has become legendary among several generations of professional astronomers. The lens was manufactured by Alvan Clark in Cambridge, Massachusetts at the end of the 1850s. The 8-inch refractor functioned as the main telescope of the astronomical observatory in Ondřejov in the first half of the twentieth century. The objective has been cleaned and restored twice in the TOPTEC Centre in Turnov. We had the opportunity to measure the optical parameters of the doublet during its time in Turnov and we subsequently evaluated its residual aberrations. This paper is a record of the results of the optical simulations.
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Zdeněk Rail, Pavel Pintr, Bohdan Šrajer, "The simulation of residual optical aberrations of the 8-inch Clark objective of the astronomical observatory in Ondřejov", Proc. SPIE 10151, Optics and Measurement International Conference 2016, 1015116 (11 November 2016); doi: 10.1117/12.2256660; https://doi.org/10.1117/12.2256660
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