Provided is an endoscope apparatus for measuring a subject. The endoscope apparatus including: an elongated insertion unit; an image capturing unit being provided on a distal end part of the insertion unit, the image capturing unit configured to obtain an image of the subject; an illumination unit comprising a first light source and configured to illuminate an observation viewing field of the image capturing unit; and a fringe projection unit comprising a second light source configured to emit a light, which differs from a light of the first light source, and a fringe pattern generation unit configured to form the fringe pattern, and configured to project the fringe pattern on the subject.