Patent ID: 8437096
Filing Date: 2013-05-07
Classification: G02B

Abstract:
1. An optical device comprising: a first holding frame which holds an optical system; a second holding frame which holds the first holding frame and which has a groove provided on a face opposing the first holding frame; an elastic member which has elasticity and which is provided between the first holding frame and the second holding frame when seen from a direction crossing an optical axis of the optical system; a position determining portion which is capable of determining a position of the first holding frame towards the elastic member so as to give rise to an elastic force at the elastic member, and which is provided so as to sandwich, with the elastic member, the first holding frame when seen from a direction crossing the optical axis; a fixing portion which is capable of fixing the first holding frame towards the position determining portion so that the first holding frame is fixed, and which is provided so as to sandwich, with the position determining portion, the first holding frame when seen from a direction crossing the optical axis; and a protruding pin which has a first end fixed to the first holding frame, and another end which differs from the first end and which is inserted into the groove.