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Astronomical Optics, 2nd Edition
book

Astronomical Optics, 2nd Edition

by Daniel J. Schroeder
September 1999
Intermediate to advanced content levelIntermediate to advanced
478 pages
21h 54m
English
Academic Press
Content preview from Astronomical Optics, 2nd Edition
6.5. Four-Mirror Telescopes
159
These two examples will suffice to introduce the reader to possibilities for
practical four-mirror telescopes with spherical primaries. Wilson (1966) discusses
other four-mirror configurations; the interested reader should consult his text for
specifics.
6.5.b. PUPIL ALIGNMENT
In Section 6.3 we discussed the consequences of a misaligned secondary
mirror in a two-mirror telescope and showed that an error in its position (tilt,
decenter, and/or despace) introduced aberrations. In this section we consider the
consequences of a misaligned pupil and show that aberrations are again the result.
In the case of a four-mirro ...
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Publisher Resources

ISBN: 9780126298109