The University of Arizona
College of Optical Sciences

Collection Home > Microscopes > Magnifiers  > Coddington Magnifier


Coddington Magnifier

Maker Unsigned

Date Circa 1860
Dimensions English Metric
Thickness 0.8in 21mm
Lens Diameter 1.4in 36mm
Length 3.1in 80mm


This hand magnifier consists of two lenses attached to each end of a short brass barrel. The lenses are identical plano-convex type and their convex surfaces are positioned facing each other. In the middle of the barrel, between the lenses, is a large diameter stop. This configuration gives the magnifier the appearance and performance of a Coddington lens, which is a single thick lens cut from a glass sphere with a groove cut around the middle, acting as a stop. The working distance on the magnifier is very short and it focuses very near the object. It has a short handle. There is no makerís signature.



College of Optical Sciences
The University of Arizona, 1630 East University Boulevard, Tucson, Arizona U.S.A. 85721-0094

All contents copyright © 2008  Arizona Board of Regents.