An imaging apparatus includes: an imaging device that images an object image through an optical system; an image signal processing section having a function of combining a plurality of imaged images into a combined image piece, the imaged images being obtained while the imaging apparatus is swept; a position sensor capable of obtaining position information of the imaging apparatus; and a controller that processes information of the position sensor, wherein the controller sends a notification of an appropriate value of a sweeping angular velocity based on the detection information of the position sensor and outputs a warning signal when the sweeping angular velocity exceeds an appropriate range.