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, comprises:optical systems which form images for a left-eye and a right-eye respectively；an image pickup element which captures the two images and generates pictorial images for the left eye and the right eye； andat least one image processing unit which carries out processing of a pictorial image signal from the image pickup element and creates a stereoscopic image that can be displayed on a monitor, whereinthe endoscope apparatus satisfies the following conditional expression (1)0.3<；CP×(1+Dt1)<；7, and CP≤10 (1)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 left-eye pictorial image and the right-eye pictorial image becomes 0, at a center of a monitor screen, andDt1 denotes a distortion in length at the maximum image height.
