Title:
OPTICAL UNIT AND IMAGE PICKUP DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/043023
Kind Code:
A1
Abstract:
Disclosed are: an optical unit which is capable of providing an imaging optical system with high resolution and high performance; and an image pickup device.
An imaging lens (100) comprises a first lens group (110) and a second lens group (120), which are sequentially arranged from the object side (OBJS) to the image plane (140) side. The first lens group (110) includes a first lens element (111), a second lens element (112), a first transparent body (113) and a third lens element (114), which are sequentially arranged from the object side (OBJS) to the image plane (140) side. The second lens group (120) includes a fourth lens element (121), a second transparent body (122), a second buffer layer (123) and a fifth lens element (124), which are sequentially arranged from the object side (OBJS) to the image plane (140) side. The first lens element (111) and the second lens element (112) of the first lens group (110) form a tablet lens.
Inventors:
BABA TOMOHIKO (JP)
Application Number:
PCT/JP2010/005707
Publication Date:
April 14, 2011
Filing Date:
September 21, 2010
Export Citation:
Assignee:
SONY CORP (JP)
BABA TOMOHIKO (JP)
BABA TOMOHIKO (JP)
International Classes:
G02B13/18; G02B13/00
Domestic Patent References:
| WO2008102776A1 | 2008-08-28 |
Foreign References:
| JPS55149716U | 1980-10-28 | |||
| JPS5168242A | 1976-06-12 | |||
| JPH0391708A | 1991-04-17 | |||
| JPH07191265A | 1995-07-28 | |||
| JP2009157402A | 2009-07-16 | |||
| JP2005517984A | 2005-06-16 | |||
| JP2003001550A | 2003-01-08 |
Attorney, Agent or Firm:
OMORI, JUNICHI (JP)
Omori Junichi (JP)
Omori Junichi (JP)
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