Camera capable of panorama phototaking

Details Camera capable of panorama phototaking Camera capable of panorama phototaking

1995-03-17

1997-06-17

Gray, David M.

Photography

Having variable focal length of camera objective

396435, G03B 1702

Patent

active

056406142

ABSTRACT:
In a phototaking lens with the focal length variable from a predetermined value at the wide-angle end position to another predetermined value at the telephoto end position, a part of lens elements constituting the phototaking lens is rendered movable relative to other lens components. There is provided means for converting the lens, by the relative movement of a part of the lens elements, to a panorama state with a focal length even shorter than that at the wide-angle end position. The phototaking lens is a zoom lens having a first lens group of a positive refractive power and a second lens group of a negative refractive power in the order from the object side, wherein the focal length is varied by a change in the distance between the first and second lens groups, and the panorama state is obtained by a relative movement of the first lens group relative to the second lens group.

REFERENCES:
patent: 4911539 (1990-03-01), Tsunashima et al.
patent: 4929069 (1990-05-01), Shibayama
patent: 5255030 (1993-10-01), Mukai et al.
patent: 5436683 (1995-07-01), Ohshita et al.

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