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Pairs of Spherical Mirrors as Field Correctors for Paraboloid Mirrors
Published online by Cambridge University Press: 25 April 2016
Extract
The paraboloid primary mirror of a classical reflecting telescope gives an image that is perfectly corrected for spherical aberration and free from chromatic aberration. However, the image suffers from coma, astigmatism and field curvature. These aberrations severely limit the usable field. For example, the primary mirror of the 200 inch telescope gives an acceptable image of a field with a diameter of only ~2’ arc.
- Type
- Contributions
- Information
- Publications of the Astronomical Society of Australia , Volume 2 , Issue 1 , July 1971 , pp. 22 - 23
- Copyright
- Copyright © Astronomical Society of Australia 1971
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