Camera with changeable focal length

Details Camera with changeable focal length Camera with changeable focal length

1989-09-06

1990-10-02

Brown, Brian W.

G03B 1738

Patent

active

049610848

ABSTRACT:
A focal length changeable camera has a taking lens system which is changed between at least two different focal lengths, namely, a relatively long focal length suitable for a telephotographic mode and a relatively short focal length suitable for a wide-angle photographic mode, and is equipped with a focal length changing mechanism comprising a rotatable changing member driven by a motor, a lever displacing member provided on the rotatable changing member, a motor switching lever engageable with the lever displacing member for switching a motor switch, and a focal length changing member for changing the focal length of the taking lens upon rotation of the rotatable changing member.

REFERENCES:
patent: 4396270 (1983-08-01), Suzuki
patent: 4506966 (1985-03-01), Kuge

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