Varifocal camera

Details Varifocal camera Varifocal camera

1988-02-12

1989-07-11

Adams, Russell E.

354288, G03B 118

Patent

active

048476480

ABSTRACT:
A varifocal camera, comprising a photographic lens barrel having a photographic lens able to change the focal distance and adapted to move rearwardly when the photographic lens is transferred to the first focal distance side and move forwardly when the lens is transferred to the second focal distance side, a photographic lens barrier movable between the opening position at which the photographic lens is exposed and the closing position at which photographic lens is screened, and a finder barrier movable between the opening position at which the finder lens is exposed and the closing position at which the finder lens is screened.

REFERENCES:
patent: 4171894 (1979-10-01), Yamada
patent: 4597657 (1986-07-01), Wakabayashi
patent: 4643555 (1987-02-01), Wakabayashi
patent: 4721972 (1988-01-01), Wakabayashi

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