An endoscope device includes an objective lens group that is provided at a
distal end of an insertion portion that is inserted into a lumen of a
subject and is used to observe or photograph the subject, and an
illumination device that is provided at a distal end of the insertion
portion and illuminates the subject using LED. The illumination device is
provided with LED chips and an LED chip supporting block that supports
these LED chips, and at least a portion of the objective lens group is
mounted on the LED supporting block.