(19)
(11) EP 2 385 406 A8

(12) CORRECTED EUROPEAN PATENT APPLICATION
published in accordance with Art. 153(4) EPC

(15) Correction information:
Corrected version no 1 (W1 A1)

(48) Corrigendum issued on:
21.12.2011 Bulletin 2011/51

(43) Date of publication:
09.11.2011 Bulletin 2011/45

(21) Application number: 10733521.8

(22) Date of filing: 21.01.2010
(51) International Patent Classification (IPC): 
G02B 17/08(2006.01)
G02B 13/06(2006.01)
G02B 7/02(2006.01)
(86) International application number:
PCT/JP2010/050713
(87) International publication number:
WO 2010/084914 (29.07.2010 Gazette 2010/30)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO SE SI SK SM TR

(30) Priority: 21.01.2009 JP 2009010695
22.04.2009 JP 2009104027

(71) Applicant: Olympus Corporation
Shibuya-ku Tokyo 151-0072 (JP)

(72) Inventor:
  • MIZUSAWA, Masayuki
    Tokyo 192-8512 (JP)

(74) Representative: Schicker, Silvia 
Wuesthoff & Wuesthoff Patent- und Rechtsanwälte Schweigerstrasse 2
81541 München
81541 München (DE)

   


(54) OPTICAL ELEMENT AND OPTICAL UNIT USING THE SAME


(57) An optical element of the present invention is provide with a first surface which is formed on the front-object side and upon which light from the front-object side is incident, a second surface formed on the image side, and a third surface which is formed between the first surface and the second surface and upon which light from the generally lateral object side is incident. The first surface is provided with a first transmission surface formed around the optical axis and a first reflection surface which faces the image side and which is formed annularly around the first transmission surface. The second surface is provided with a second transmission surface formed around the optical axis, and a second reflection surface which faces the front object side and which is formed annularly around the second transmission surface.