Camera having back focus adjusting apparatus

Details Camera having back focus adjusting apparatus Camera having back focus adjusting apparatus

1995-09-05

1997-11-18

Metjahic, Safet

Photography

Having variable focal length of camera objective

Having focus operation

396 83, G03B 118

Patent

active

056897383

ABSTRACT:
A camera having an apparatus for adjusting a back focus by varying a distance between a rearmost point of lens groups of a photographing optical system and focal plane. The apparatus includes a stationary barrel that supports the lens groups and is fixed to the camera body, and a restricting mechanism that is provided between the camera body and the stationary barrel. The restricting mechanism restricts rotational movement of the stationary barrel with respect to the camera body, while allowing movement of the stationary barrel in an optical axis direction with respect to the camera body.

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patent: 5144493 (1992-09-01), Nomura
patent: 5144494 (1992-09-01), Sekiguchi
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patent: 5376983 (1994-12-01), Yamazaki et al.
patent: 5394210 (1995-02-01), Nomura et al.
patent: 5430516 (1995-07-01), Uziie et al.
patent: 5448414 (1995-09-01), Hamasaki et al.

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