Invention Grant
- Patent Title: Optical system and optical apparatus including optical system
- Patent Title (中): 光学系统和光学仪器包括光学系统
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Application No.: US12369653Application Date: 2009-02-11
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Publication No.: US07715121B2Publication Date: 2010-05-11
- Inventor: Shigenobu Sugita
- Applicant: Shigenobu Sugita
- Applicant Address: JP Tokyo
- Assignee: Canon Kabushiki Kaisha
- Current Assignee: Canon Kabushiki Kaisha
- Current Assignee Address: JP Tokyo
- Agency: Canon USA Inc IP Div.
- Priority: JP2008-030299 20080212
- Main IPC: G02B9/12
- IPC: G02B9/12 ; G02B9/00
Abstract:
An optical system used for an image pickup apparatus including an image pickup element is provided. The optical system includes a negative lens disposed furthest away on the enlargement conjugation side and satisfies the following condition: 80 degrees
Public/Granted literature
- US20090201590A1 OPTICAL SYSTEM AND OPTICAL APPARATUS INCLUDING OPTICAL SYSTEM Public/Granted day:2009-08-13
Information query
