US Patent 7852399 Multi-eye image pickup device

A stereo camera comprises a camera body, a lens barrel rotatably attached to the camera body, and a converter lens barrel 14 detachably attached to the camera body. The lens barrel contains a pair of a first imaging optical system and a first CCD, and a pair of a second imaging optical system and a second CCD. When the lens barrel is at an ordinary position, a wide image capturing mode with only the first CCD being activated or a normal image capturing mode with only the second CCD being activated is set. When the lens barrel is at a first rotational position, a panoramic image capturing mode is set. When the lens barrel is at a second rotational position, a stereoscopic image capturing mode is set.