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1. (WO2013125247) LENS UNIT

Pub. No.:    WO/2013/125247    International Application No.:    PCT/JP2013/001034
Publication Date: Fri Aug 30 01:59:59 CEST 2013 International Filing Date: Sat Feb 23 00:59:59 CET 2013
IPC: G02B 7/02
Applicants: OLYMPUS CORPORATION
オリンパス株式会社
Inventors: ARAKI, Hiroyuki
荒木 弘之
SODEYAMA, Toshiya
袖山 俊哉
ICHIKAWA, Hideaki
市川 英明
Title: LENS UNIT
Abstract:
 A lens unit (LU) in which at least two lenses (4, 5) are held in a mirror frame (1) so as to be adjacent in the optical axis direction, the lens unit (LU) being provided with: positioning protrusions (2c, 2d) which are formed so as to correspond with each of the two lenses (4, 5) and so as to protrude from the inner surface of the mirror frame (1) at three or more separate points in the peripheral direction of the mirror frame (1), and which touch the peripheral surfaces of the lenses and position the lenses relative to the mirror frame (1); an adhesive filling space (GSP1) which is formed between the inner surface of the mirror frame (1) and the peripheral surfaces of each of the two lenses (4, 5) so as to extend across both of the two lenses (4, 5); and an adhesive injection hole (1c) which is formed in the mirror frame (1) and which connects with the adhesive filling space (GSP1).