There is provided an endoscope apparatus which enables to observe a three-dimensional image which is easy to view even in close observation. An endoscope apparatus 1 includes optical systems 11R and 11L which form pictorial images for a left eye and a right eye respectively, an image pickup element 12 which acquires a parallax pictorial image for the left eye and the right eye, and an image processing unit 4 which carries out processing of a signal of the parallax pictorial image and creates a stereoscopic pictorial image that can be displayed on a monitor, the endoscope apparatus satisfies the following conditional expression (1). 0.3 <； CP × 1 + Dt 1 <； 7, and CP ‰¤ 10 where, CP denotes a distance (mm) from a surface nearest to object of the optical system up to an object, when an amount of left and right shift of the parallax pictorial image for the left eye and the right eye is 0, at a center of a monitor screen, and Dt1 denotes a distortion in length at the maximum image height.
