Camera capable of varying size of image plane

Details Camera capable of varying size of image plane Camera capable of varying size of image plane

1995-05-18

1996-11-12

Blankenship, Howard B.

Photography

Variable frame masking

396133, 396 89, G03B 1702

Patent

active

055745237

ABSTRACT:
In a camera of the kind arranged to obtain an object image through a photo-taking lens at an arbitrary image plane size on a photosensitive surface by using an image plane size varying member, either the nearest shootable distance of the photo-taking lens is arranged to become shorter than the normally nearest shootable distance or the magnification varying range of the power varying part of the photo-taking lens is arranged to be expanded on the wide-angle side, as the diagonal length of the image plane size becomes shorter.

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patent: 5010357 (1991-04-01), Misawa
patent: 5111223 (1992-05-01), Omura
patent: 5392082 (1995-02-01), Ikemori et al.

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