Optics: motion pictures – With focus control
Patent
1978-09-14
1980-06-10
Hayes, Monroe H.
Optics: motion pictures
With focus control
352174, 352243, G03B 300
Patent
active
042069823
ABSTRACT:
A camera having a zoom function includes a camera body, a lens system, a grip for supporting the camera by hand, a photo-operation button which is manually depressible, a photo-operation member which is displaceable by the photo-operation button in a linear direction for operating the camera and is further displaceable in a second direction approximately perpendicular to the first displacement for zoom-up or zoom-down operation, and an additional operation member for varying the zooming speed in response to the amount of displacement of the photo-operation member.
REFERENCES:
patent: 3504965 (1970-04-01), Lustig
patent: 3784765 (1974-01-01), Daly
Dainow J. David
Hayes Monroe H.
Olympus Optical Co,. Ltd.
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