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Imaging and Spectroscopy with Focal Reducers

Published online by Cambridge University Press:  12 April 2016

W. Seifert ,
W. Fürtig ,
H. Böhnhardt  and
H. Nicklas
W. Seifert
Affiliation:
Landessternwarte, Künigstuhl, D-69117 Heidelberg
W. Fürtig
Affiliation:
Landessternwarte, Künigstuhl, D-69117 Heidelberg
H. Böhnhardt
Affiliation:
Universitätssternwarte, Scheinerstr., D-81679 München
H. Nicklas
Affiliation:
Universitätssternwarte, Geismarlandstr., D-37083 Göttingen

Abstract

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Focal reducers are nowadays widely used on large telescopes as multi-mode instruments. Some general aspects of the design of focal reducers are discussed. FORS, the focal reducer/low-dispersion spectrograph for the ESO VLT is presented as an example for such a multi-mode instrument on a large telescope.

Type
1. Basic Principles, Focal Reducers
Information
International Astronomical Union Colloquium , Volume 149: Tridimensional Optical Spectroscopic Methods in Astrophysics , 1995 , pp. 18 - 26
Copyright
Copyright © Astronomical Society of the Pacific 1995

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