Patent ID: 9148554
Filing Date: 2015-09-29
Classification: A61B,G02B

Abstract:
1. An image pickup unit comprising: an optical system for forming an optical image of an object; an image pickup device for converting the optical image into an electric signal, the image pickup device including a pixel forming region in which a plurality of pixels are disposed, the pixel forming region including an effective pixel region, a video display region provided in the effective pixel region, and a phase reference pixel region provided outside the video display region, the phase reference pixel region including pixels disposed therein, the pixels being capable of outputting a signal that is usable for phase adjustment of the video by receiving light; and a lens frame for holding a lens included in the optical system; a holder for holding the image pickup device and the lens frame, the holder holding the lens frame such that an intersection point at which an optical axis of the optical system intersects the effective pixel region is positioned shifted to a position closer to the phase reference pixel region with respect to a center of the effective pixel region so that light that has transmitted the optical system can reach the phase reference pixel region; wherein the optical system has an image circle with an area that is smaller than an area of the effective pixel region of the image pickup device.