Photographic converter

Details Photographic converter Photographic converter

1994-03-22

1995-10-03

Adams, Russell E.

G03B 1714

Patent

active

054556503

ABSTRACT:
A converter mountable between a camera body and a lens barrel comprises a communication part arranged to communicate with the camera body, a signal output part arranged to output a signal for enabling the camera body to recognize that a lens barrel of a specific type is mounted, a first driving mechanism for driving a focusing-lens moving mechanism disposed within the lens barrel, and a second driving mechanism for driving a diaphragm device disposed within the lens barrel.

REFERENCES:
patent: 3968504 (1976-07-01), Komine
patent: 4589750 (1986-05-01), Tomori et al.
patent: 4627699 (1986-12-01), Takagi
patent: 4881094 (1989-11-01), Terui et al.
patent: 4912494 (1990-03-01), Tanaka et al.
patent: 4974004 (1990-11-01), Kawasaki et al.
patent: 5003339 (1991-03-01), Kikuchi et al.
patent: 5053798 (1991-10-01), Ohara et al.

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