| 摘要 |
PROBLEM TO BE SOLVED: To achieve high-speed zooming operation without using a zoom lens in a digital camera. SOLUTION: A light beam from a fixed focal distance lens 2 is divided into two beams by a beam splitter 4 and the divided beams form images on a first image sensor 12 and a second image sensor 14, respectively. The first and second image sensors 12, 14 have the same number of pixels and different pixel sizes. A wide image is obtained by the first image sensor 12, and a telephoto image is obtained by the second image sensor 14. According to zooming operation, the first image sensor 12 and the second image sensor 14 are switched to output the image. When the image from the first image sensor 12 is recorded, focus detection is performed, by using an image signal from the second image sensor to perform automatic focusing. COPYRIGHT: (C)2007,JPO&INPIT |
