Image pickup apparatus for reducing fixed pattern noise

摘要

An image pickup apparatus includes an image pickup optical system having an optical axis and configured to form a subject image, an image pickup element configured to pick up the subject image and output the picked-up subject image as an image, an optical axis controller configured to displace an optical axis position relative to the image pickup element every time image capturing is performed, an image addition processor configured to correct positional displacement between a plurality of images output from the image pickup element and add the resulting images together, and an operation unit.