An image pickup apparatus includes: an image pickup device (12) arranged at a position deviating from a field-of-view center of an objective optical system (11) and configured to pick up an optical image formed by the objective optical system (11) and generate an image a cut-out range setting portion (35) configured to set a cut-out area so that a center comes close to the field-of-view center as a zoom magnification set by an electronic zoom setting portion (33) increases and a zoom processing portion (36) configured to cut out the set cut-out area from the image, perform enlargement or reduction corresponding to the zoom magnification and generate a zoomed image.
