Zoom lens-barrel

Details Zoom lens-barrel Zoom lens-barrel

1991-11-06

1993-01-05

Arnold, Bruce Y.

Optical: systems and elements

Lens

With variable magnification

359819, 359821, 354286, 354288, 35419512, G02B 1514, G02B 702, G03B 1702

Patent

active

051776383

ABSTRACT:
A main body of a zoom lens barrel, which accommodates a zoom lens system having lens components movable in the direction of the optical axis, is composed of a housing having an opening on one side wall in parallel with the optical axis. At least the movable lens components of the zoom lens system can be assembled in the housing through the opening. The housing, accommodating movable lens components of the zoom lens system, is composed of a single element.

REFERENCES:
patent: 2484510 (1949-10-01), Hutchison, Jr.
patent: 3259410 (1966-07-01), Neudecker et al.
patent: 3906535 (1975-09-01), Takahama et al.
patent: 4993815 (1991-02-01), Yamazaki et al.
patent: 5029991 (1991-07-01), Kohmo et al.

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