Optical apparatus
US9565352B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 1, 2013 |
| Grant date | Feb 7, 2017 |
| Priority date | — |
| Expiry date | Sep 1, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N25/704
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
An optical apparatus includes an image sensor that includes a focus detecting pixel and an image pickup pixel, a first focus detector configured to provide a focus detection based upon a phase difference between the pair of image signals detected by the focus detecting pixel of the image sensor, a second focus detector configured to provide a focus detection based upon a contrast value based upon an output of the image pickup pixel of the image sensor, and a controller configured to provide autofocus utilizing the first focus detector when a focus detection precision of the first focus detector is equal to or higher than a first value and an image magnification variation amount calculated from a wobbling amount of the image pickup optical system used for the second focus detector is equal to or higher than a second value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.