OSA's Digital Library

Applied Optics

Applied Optics


  • Vol. 5, Iss. 2 — Feb. 1, 1966
  • pp: 301–304

A Photoelectric Focus and Seeing Monitor for Solar Telescopes

J. M. Beckers  »View Author Affiliations

Applied Optics, Vol. 5, Issue 2, pp. 301-304 (1966)

View Full Text Article

Enhanced HTML    Acrobat PDF (569 KB)

Browse Journals / Lookup Meetings

Browse by Journal and Year


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools



A solar focus and seeing monitor is described which utilizes the properties of an image of the telescope objective formed after putting a knife edge next to the solar limb. In a very simple way simultaneous measurements are obtained for the telescope focus and for the image motion and blurring produced by the earth’s atmosphere.

© 1966 Optical Society of America

Original Manuscript: June 14, 1965
Published: February 1, 1966

J. M. Beckers, "A Photoelectric Focus and Seeing Monitor for Solar Telescopes," Appl. Opt. 5, 301-304 (1966)

Sort:  Author  |  Year  |  Journal  |  Reset  


  1. K. O. Kiepenheuer, Proc. I. A. U. Symp. No. 19 (Site testing), Rome, 1962, p. 193.
  2. R. J. Bray, R. E. Loughhead, D. G. Norton, The Observatory 79, 63 (1959).
  3. J. Rösch, Proc. I. A. U. Symp. No. 19 (Site testing), Rome, 1962, p. 35.
  4. D. Zindel, Z. Astrophys. 57, 83 (1963).
  5. H. Siedentopf, Die Sterne 19, 145 (1939).
  6. J. Janssen, Ann. Obs. Paris, Meudon 1, 10 (1896).
  7. J. W. Evans, Appl. Opt. 3, 1387 (1964). [CrossRef]
  8. L. Larks, J. Sci. Instr. 41, 780 (1964). [CrossRef]
  9. P. Pargas, J. Opt. Soc. Am. 54, 516 (1964). [CrossRef]
  10. J. Houtgast, Hemel en Dampkring 34, 270 (1936); see also Rroc. of Symp. on Solar Seeing, Rome, 1961, p. 22.

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.


Fig. 1 Fig. 2 Fig. 3

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited