Photography – With viewfinder – Selective or adjustable viewfinder field
Patent
1994-10-18
1996-11-19
Gray, David M.
Photography
With viewfinder
Selective or adjustable viewfinder field
396 72, G03B 1310
Patent
active
055767915
ABSTRACT:
A single-lens reflex camera comprises a taking lens having a zooming optical system, a finder whose angle of view is determined according to a focal length of the taking lens, and an operation member which is manually operated. In the single-lens reflex camera, the focal length of the taking lens is changed by driving the zooming optical system, and the zooming operation is controlled in response to an operation of the operation member so that the focal length of the taking lens is changed in the wide-angle direction by a predetermined amount. An angle of view corresponding to that which is seen before the focal length is changed is displayed within the finder.
REFERENCES:
patent: 5345285 (1994-09-01), Hasushita et al.
patent: 5389988 (1995-02-01), Daitoku
Fujino Akihiko
Hara Yoshihiro
Ishibashi Kenji
Ishito Fumiaki
Maeda Yasuo
Gray David M.
Minolta Camera Kabushiki Kaisha
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