Hybrid camera including viewfinder with masks for parallax corre

Details Hybrid camera including viewfinder with masks for parallax corre Hybrid camera including viewfinder with masks for parallax corre

1997-02-20

1998-07-28

Perkey, W. B.

Photography

Having variable focal length of camera objective

Having focus operation

396 84, 396149, G03B 500, G03B 1314, G03B 1748

Patent

active

057873135

ABSTRACT:
A hybrid camera includes a camera housing (12); an electronic imaging device (68) supported within the camera housing; a first optical system (58) for focusing light from a scene onto the imaging device, the first optical system having a first optical axis (16') and a first field of view (162); a film imaging plane (48) defined within the camera housing for photographic film (44); a second optical system (30) for focusing light from a scene onto the film imaging plane, the second optical system having a second optical axis (14') spaced from the first optical axis and a second field of view (164); a viewfinder (18, 26) supported by the camera housing, the viewfinder having a third optical axis (18') and a third field of view, the viewfinder being located relative to a selected one of the first and second optical systems such that the third field of view includes at least 75% of the field of view of the selected optical system; the field of view of the selected optical system being larger than that of a non-selected one of the first and second optical systems such that the field of view of the selected optical system includes at least 75% of the field of view of the non-selected optical system; an array of electronically actuateable masks (76-112; 116-150) positioned transverse to the third optical axis within the viewfinder, the masks being configured and located for actuation to correct for parallax between the viewfinder and the non-selected optical system and to indicate a print format (H, P, C) for an image to be captured on photographic film; means (20) for measuring range from the camera to an object in a scene reflecting light to be focused on the imaging device and the imaging plane and for producing a signal proportional to the range; and a controller (40), responsive to the signal, for actuating selected ones of the masks for correction for parallax, or indication of print format, or both.

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patent: 4714962 (1987-12-01), Levine
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patent: 5161025 (1992-11-01), Nakao
patent: 5381205 (1995-01-01), Kotani et al.
patent: 5398062 (1995-03-01), Hashimoto et al.

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