Camera with adjustable viewfinder

Details Camera with adjustable viewfinder Camera with adjustable viewfinder

1994-03-28

1996-07-02

Gellner, Michael L.

G03B 1314

Patent

active

055327788

ABSTRACT:
A finder structure for a camera, in which the finder is divided into an objective block and an eyepiece block. The housings of these blocks are removably connected with each other, thereby allowing one of the housings to move with respect to the other housing in a direction transversely of the optical axis of the finder to correct parallax. The structure comprises in the finder, a field frame plate, panoramic field frame members defining panoramic field frames, and a field frame changeover lever which engages with the panoramic field frame members. A shaft of the field frame changeover lever is rotatably received in an opening formed in the housing of the finder to engage with a finder drive lever disposed outside the finder, allowing the finder drive lever to be linked to a photography mode changeover lever to slide the panoramic field frame members by operation of the photography mode changeover lever. The finder is incorporated in the camera body by mounting either one of the objective block or the eyepiece block on the camera body, and connecting the other block (not mounted on the camera body) to the block mounted to the body with locking screws or the like. Parallax is corrected by loosening the locking screws to move the block not mounted on the camera body relative to the block mounted on the camera body.

REFERENCES:
patent: Re32797 (1988-12-01), Harvey
patent: 4336985 (1982-06-01), Iwata et al.
patent: 4831399 (1989-05-01), Tsurukawa et al.
patent: 4887109 (1989-12-01), Fujita et al.
patent: 5021815 (1991-06-01), Harvey
patent: 5066971 (1991-11-01), Kodaira
patent: 5115267 (1992-05-01), Kondo et al.
patent: 5160954 (1992-11-01), Suzuki et al.
patent: 5216457 (1993-06-01), Yamaguchi et al.
patent: 5345285 (1994-09-01), Hasushita et al.

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