Coddington magnifier

From Wiktionary, the free dictionary
Jump to navigation Jump to search

English

[edit]
English Wikipedia has an article on:
Wikipedia

Etymology

[edit]

Popularized and refined by Henry Coddington.

Noun

[edit]

Coddington magnifier (plural Coddington magnifiers)

  1. A magnifying glass consisting of a single thick lens with a central deep groove diaphragm at the equator, limiting the rays to those close to the axis and minimizing spherical aberration.
Retrieved from "https://en.wiktionary.org/w/index.php?title=Coddington_magnifier&oldid=73000600"