Camera including a zoom lens having simultaneous focusing and zo

Details Camera including a zoom lens having simultaneous focusing and zo Camera including a zoom lens having simultaneous focusing and zo

1995-09-26

1998-08-04

Blankenship, Howard B.

Photography

Having variable focal length of camera objective

Having focus operation

G03B 118

Patent

active

057909016

ABSTRACT:
A camera having a zoom lens in which the zoom lens includes: first and second lens components for focusing the light from an object on the focal plane; a lens barrel for guiding movements of the first and the second lens components, in which the lens barrel includes a first guide portion for guiding movement of the first lens component and a second guide portion for guiding movement of the second lens component; and a moving driver for moving the first lens component along the first guide portion and for moving the second lens component along the second guide portion so that the first and the second lens components focus the light on the focal plane at plural focal lengths, and a focal point adjustment, including focusing and focusing compensation, is conducted continuously from the first focal length to the second focal length of the plural focal lengths.

REFERENCES:
patent: 5144493 (1992-09-01), Nomura
patent: 5461443 (1995-10-01), Nakayama et al.

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