Collection Home > Telescopes >Monocular Single-Draw > Folding Pocket Telescope
Folding Pocket Opera Glass Reproduction
|Signature||King Optical Co.|
|Number of Draws||1|
|Objective Clear Aperture Diameter||1.2in||30mm|
The monocular has a brass body. The objective is positioned by opening the two clamshell-like covers and turning the lever, which rotates the objective lens cell from a horizontal to vertical position. The objective is a single non-achromatic lens. There is one brass draw, a single eye lens, and a flared eyecup. Focusing is done by turning a ring mounted on the draw. It is signed "KING OPTICAL Co. 1891" on the outside of one of the clamshell covers, but it is actually a replica, recently made in India.
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.