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Collection Home > Telescopes > Binocular Opera Glass > Folding Galilean Binoculars
Folding Galilean Binoculars
| Signature | R&J Beck Ltd.
86 Cornhill London |
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| Date | Circa 1900 | ||||
| Dimensions | English | Metric | |||
| Closed Length | 2.5in | 63mm | |||
| Extended Length | 3.5in | 88mm | |||
| Inter-Pupilary Distance | 2.5in | 63mm | |||
| Objective Clear Aperture Diameter | 1.2in | 30mm | |||
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Description |
This pair of Galilean opera glasses has a compact, folding frame. When folded flat, they fit into a leather case marked "R&J. BECK Ltd. 86 CORNHILL LONDON." The top of the frame has a star-shaped marking at the objective end. The eye lenses slide on a track running into the central frame to adjust for viewing near or distant objects. A scale beneath the frame numbered 1-6 indicates focusing position. When in use, a handle folds down for grip. There are twp pair in the collection, and one comes with a leather carrying case. |
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