Flat, hands-free, convertible Keplerian binoculars

Details Flat, hands-free, convertible Keplerian binoculars Flat, hands-free, convertible Keplerian binoculars

1998-02-27

1999-12-14

Spyrou, Cassandra

Optical: systems and elements

Compound lens system

Telescope

359421, 359431, 359480, G02B 2300

Patent

active

060025174

ABSTRACT:
Binoculars which are flat in the direction of view include two powerful Keplerian telescopes placed in two flat containers covering each eye and held by an eyeglass frame resting on the nose and ears; the binoculars can be easily converted into magnifying reading eyeglasses by touching a knob on the temple side of each telescope.

REFERENCES:
patent: 1610553 (1926-12-01), Jones
patent: 2710560 (1955-06-01), Thompson
patent: 3409343 (1968-11-01), Zapp
patent: 3865468 (1975-02-01), Holcomb
patent: 4704000 (1987-11-01), Pekar et al.
patent: 4795235 (1989-01-01), Spitzberg
patent: 5028127 (1991-07-01), Spitzberg
patent: 5321547 (1994-06-01), Zapp

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