1968Applied OpticsRequires access

The Optical System for the 35-m ESO Telescope

H. Köhler

Open publisher page 6 citations

Abstract

The optical design of a mirror telescope with a free aperture of 3.5 m is described. Observations can be made in the Cassegrain (RC) focus f/8, in the direct focus f/3, and in the coudé focus f/30. The results of ray tracing in the form of spot diagrams are dealt with. Some technological problems are discussed.

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What this paper is about

The optical design of a mirror telescope with a free aperture of 3.5 m is described. Observations can be made in the Cassegrain (RC) focus f/8, in the direct focus f/3, and in the coudé focus f/30. The results of ray tracing in the form of spot diagrams are dealt with. Some technological problems are discussed.

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Available abstract

The optical design of a mirror telescope with a free aperture of 3.5 m is described. Observations can be made in the Cassegrain (RC) focus f/8, in the direct focus f/3, and in the coudé focus f/30. The results of ray tracing in the form of spot diagrams are dealt with. Some technological problems are discussed.

Key concepts: Cassegrain reflector, Optics, Telescope, Focus (optics), Physics, Reflecting telescope, Optical telescope, Aperture (computer memory)

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