Finder switching apparatus for camera

Details Finder switching apparatus for camera Finder switching apparatus for camera

1987-12-23

1989-05-16

Mathews, A. A.

354199, 354222, G03B 300, G03B 1310

Patent

active

048313998

ABSTRACT:
A finder switching apparatus in a two-focus camera in which a finder is switched in conjunction with switching of a lens of the camera between shorter and longer focuses. The finder switching apparatus has a spring mechanism which can amplify a displacement of a parallax correcting lens which is adapted to move in interlocking engagement with the lens barrel so that the mechanism for moving the parallax correcting lens can be small. Accordingly, the two-focus camera having the finder switching apparatus according to the present invention can be made compact, since the space required for storing the finder switching apparatus in the camera is small.

REFERENCES:
patent: 3665834 (1972-05-01), Loewe
patent: 3836934 (1974-09-01), Suzuki et al.
patent: 4104663 (1978-08-01), Yamuzaki et al.
patent: 4119983 (1978-10-01), Tanaka
patent: 4129369 (1978-12-01), Kobayashi et al.
patent: 4277158 (1981-07-01), Zawodny

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