Viewfinder framing device for zoom lens camera
US5196877A · kind A · utility
10Cited by
5References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 14, 1992 |
| Grant date | Mar 23, 1993 |
| Priority date | — |
| Expiry date | Jan 14, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B19/12
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A camera which has a photo-taking lens capable of zooming, and a viewfinder which shows a first photographing range and a display which displays one frame defining a second photographing range smaller than the first photographing range, wherein out of photographing range showing mode is provided. And when the out of photographing range mode is selected, after zooming operation is carried out, the second photographing range is exposed on a film, whereby the visual field in the finder can be enlarged and, provided that a camera has a focus detector, the focus detecting area can be relatively enlarged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.