Lens barrel body in a box form

摘要

A lens device is provided and includes: a lens barrel body (11) in a box form opened in an upper surface thereof; a lid member attached to the upper surface of the lens barrel body; three fixing units (112A,112B,112C) that fix the lid member and the lens barrel body; and at least one engaging unit (116) that engages the lid member with the lens barrel body so as to prevent the lid member from separating from the lens barrel body.