Extender-containing camera lens with a grip

Details Extender-containing camera lens with a grip Extender-containing camera lens with a grip

1987-03-23

1988-07-12

Griffin, Donald A.

354288, G03B 2900, G03B 1702

Patent

active

047573350

ABSTRACT:
A lens device provided with a photo-taking optical system and a barrel holding the photo-taking optical system therein has an auxiliary optical system insertable into and retractable from the optical path of the photo-taking optical sytem, and grip means protruding from the outer wall of the barrel in order that the user may hold the barrel, the grip means having containing means for containing therein the auxiliary optical system when retracted from the optical path of the photo-taking optical system.

REFERENCES:
patent: 3078757 (1963-02-01), Austin et al.
patent: 4063263 (1977-12-01), Krewalk
patent: 4095244 (1978-06-01), Yokoyama et al.

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