Lens-Prism Correctors for Ritchey-Chretien and Quasi Ritchey-Chretien Foci

Details Lens-Prism Correctors for Ritchey-Chretien and Quasi Ritchey-Chretien Foci Lens-Prism Correctors for Ritchey-Chretien and Quasi Ritchey-Chretien Foci

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986spie..628..479s&link_type=abstract

Advanced Technology Optical Telescopes III, Proceedings of the Meeting held 3-6 March 1986, in Tucson, AZ. Edited by Larry Barr

Physics

3

Scientific paper

Two new lens-prism correctors are designed for secondary foci, of which the diameter of the primary is 7.5 meter, the f-ratio of the primary is 2 and the final f-ratio is about 5.4. The field of view of the R-C system is 46arcmin and that of the quasi R-C system is 1°. The two cemented lenses can rotate oppositly around the optical axis for correcting the atmospheric dispersion at different zenith distance. All surfaces of these correctors are spherical.

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