1993-09-08
1994-11-29
Perkey, W. B.
3541951, G03B 500, G03B 1336
Patent
active
053694600
ABSTRACT:
A camera in which the ratio of an object to the photographing frame can be set comprises a varifocal lens in which the in-focus position is changed in accordance with the change in the focal lens and a focusing lens for correcting the focus by the varifocal lens. The size of the object is set to the desired size by using the varifocal lens, and thereafter the deviation of the in-focus point is controlled by the focusing lens. Since the zooming is carried out by using a varifocal lens, a camera can be provided in which the ratio of an object to the photographing frame can be set in a simple structure.
REFERENCES:
patent: 4376265 (1983-03-01), Kiuchi et al.
patent: 4547770 (1985-10-01), Suzuki et al.
patent: 4748509 (1988-05-01), Otake et al.
patent: 4847650 (1989-07-01), Iida et al.
patent: 5113210 (1992-05-01), Kashiyama et al.
Ishida Tokuji
Masumoto Hisayuki
Metabi Tsuneyo
Nakai Masaaki
Omaki Takanobu
Minolta Camera Kabushiki Kaisha
Perkey W. B.
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