Encyclopedic Dictionary of Polymers

2011 Edition
| Editors: Jan W. Gooch

Ramsden Circle (Ramsden Disc, Eyepoint)

  • Jan W. Gooch
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_9757

n The circular spot of light formed at that distance above the eyepiece where the chief image forming rays cross the back focal plane of the eyepiece. The objective back focal plane is in conjugate focus in this same plane. In visual microscopy, the point where the lens of the eye is placed.

Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jan W. Gooch
    • 1
  1. 1.AtlantaUSA