Collapsible binocular

Details Collapsible binocular Collapsible binocular

1993-04-07

1994-10-04

LaRoche, Eugene R.

Optical: systems and elements

Compound lens system

Telescope

359407, 359474, G02B 702

Patent

active

053531515

ABSTRACT:
A collapsible binocular comprising a substantially rectangular open-sided housing and an elongated side wall member is provided. Objective lens means and eyepiece lens means maintain the construction of the binocular and provide protection for the lenses.

REFERENCES:
patent: 4239328 (1980-12-01), Justice, Sr. et al.
patent: 4268111 (1981-05-01), Green et al.
patent: 4478498 (1984-10-01), Ohno
patent: 4486079 (1984-12-01), Ueda
patent: 4773747 (1988-09-01), Bresnahan
patent: 4846553 (1989-07-01), Rice
patent: 4964709 (1990-10-01), Hoeptner
patent: 5181139 (1993-01-01), Benitez

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