Astro-Camera 220 and Duetron double eyepiece

Title

Astro-Camera 220 and Duetron double eyepiece

Subject

Astronomy
camera
optical instruments

Description

Wooden box (9 ½ x 7 x 7) with hinge lid, three 2-sided film holders. It takes 2 ¼-inch by 3 ¼-inch glass plates or sheets of film. An air-operated shutter types speeds of 1/10 to 1/90 second in addition to bulb and time. Comes with ground-glass focusing back, and extension tube. A air-shutter release, 30 mm f.l. eyepiece and instructions missing. Sold for $69.50 in 1954. Manual online at http://geogdata.csun.edu/~voltaire/classics/unitron/astrocamera220.pdf.

The Duetron double eyepiece sold for $23.40 in 1954.

It was donated to the University by Mrs. Ruth Scott of Chrisman Illinois in 1971 and valued at $70.

Creator

Unitron, Bohemia, New York

Source

Info on line at http://www.company7.com/library/unitron/unitron_astro_camera.html

Publisher

Astronomy Department, University of Illinois

Date

circa 1953

Contributor

Michael Svec

Rights

Copyright, Michael Svec

Format

image/jpg

Language

English

Type

physical object

Identifier

University of Illinois Observatory collection A238

Coverage

University of Illinois Observatory, Urbana, Illinois

Files

Unitron camera
Duetron double eyepiece

Citation

Unitron, Bohemia, New York, “Astro-Camera 220 and Duetron double eyepiece,” University of Illinois Observatory Collection, accessed December 16, 2017, http://uiobservatory.omeka.net/items/show/69.