LIGHT TUNNEL, IMAGE PROJECTION DEVICE, AND ADJUSTING METHOD

摘要

PROBLEM TO BE SOLVED: To allow position adjustment of a light tunnel to be easily performed.SOLUTION: A light tunnel configured by combining a plate-like member 6a for reflecting a plurality of light comprises: a cover part 6b for holding the light tunnel; and a claw part 6c disposed on the cover part 6b and holding an end face of the plate-like member 6a. The claw part 6c is disposed so that a position of an end part of the claw part 6c is matched with a position inside the plate-like member 6a.