Hybrid electronic-film camera

Details Hybrid electronic-film camera Hybrid electronic-film camera

1997-06-20

1998-10-13

Gray, David M.

Photography

Having variable focal length of camera objective

Automatic change of focal length

396429, 348 64, G03B 2900

Patent

active

058226257

ABSTRACT:
An improved hybrid camera is provided for capturing an image photographically on film and electronically on an electronic sensor in which the image captured by the electronic sensor may be electronically cropped to match the image captured on the film. The camera includes a first lens having multiple focal lengths and a second lens having two selectable focal lengths. The image is focused through the first lens onto the film to capture the image photographically, while the image is focused through the second lens on an electronic sensor to capture at least the image electronically. A controller in the camera selects the focal length of the second lens to maximize the resolution of the portion of the image captured on the electronic sensor which matches the image captured on the film. The image captured on the electronic sensor may be cropped by the controller to match the image captured on the film. The controller can display the cropped image on a color LCD screen, thereby allowing the user to view the same image as captured on film, or store the cropped image in memory.

REFERENCES:
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patent: 5398062 (1995-03-01), Hashimoto et al.
patent: 5650819 (1997-07-01), Sato et al.
Ellis Betensky, "Zoom lenses for small CCD cameras", SPIE vol. 2539, pp. 2-11, Jun. 1995.

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