Lens barrel

Details Lens barrel Lens barrel

1991-05-13

1992-09-08

Hix, L. T.

3541951, G03B 300

Patent

active

051462605

ABSTRACT:
A lens barrel having a focusing lens and a zooming lens comprises a focusing motor which serves as a drive source for moving the focusing lens; and a zooming motor which serves as a drive source for moving the zooming lens. In the lens barrel, the output shafts of the two motors are located between a diaphragm unit and a focal plane and extend approximately perpendicularly to an optical axis; a focusing transmission shaft is arranged in parallel to the optical axis in such a way as to transmit the rotation of the output shaft of the focusing motor to a focusing lens holding part; and a zooming transmission shaft is arranged also in parallel to the optical axis to transmit the rotation of the output shaft of the zooming motor to a zooming lens holding part.

REFERENCES:
patent: 4320947 (1982-03-01), Komine
patent: 4404595 (1983-09-01), Ushiro et al.

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