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The Mersenne-Schmidt Telescope

Published online by Cambridge University Press:  12 April 2016

R.V. Willstrop
R.V. Willstrop*
Affiliation:
Institute of Astronomy, The Observatories, Madingley Road, Cambridge CB3 OHA, U.K.

Summary

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A three-mirror telescope is described which covers a field 4° in diameter at f/1.6 with images smaller than 0.31 arcsec total spread (0.17 arcsec r.m.s.); an alternative version, also f/1.6, covers a field 2° in diameter with images smaller than 0.049 arcsec (0.023 arcsec r.m.s.). Both forms of this telescope are fully baffled against sky fog contamination, the illumination is uniform over the central 2° field and decreases by about 13 per cent at the edge of the 4° field, and the tube length is little more than the focal length.

Information

Type
III. Atmospheric Seeing, Interferometry, Speckle, MMTs and Arrays
Information
International Astronomical Union Colloquium , Volume 79: Very Large Telescopes, their Instrumentation and Programs , 1984 , pp. 395 - 404
Copyright
Copyright © ESO 1984

References

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