An endoscope device (1) of the invention includes: an insertion portion (2) disposed with an observation optical system an operation portion (3) continuously provided to a proximal end side of the insertion portion a display device main body (18) provided to a proximal end side of the operation portion and disposed with a monitor portion (21) for displaying a subject image a rotational movement shaft (28) for rotationally movably journaling the display device main body with respect to the operation portion and a finger-hooking portion (19) provided to the display device main body and for operation of rotationally moving the display device main body about a rotational movement shaft, and thus it is possible for an operator to easily orient the monitor of the display device in an easily viewable direction when operatably grasping the operation portion.
