Invention Grant
- Patent Title: Imaging optical system and imaging apparatus
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Application No.: US15838787Application Date: 2017-12-12
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Publication No.: US10721398B2Publication Date: 2020-07-21
- Inventor: Koutarou Joujiki , Yasuhiko Obikane
- Applicant: Tamron Co., Ltd.
- Applicant Address: JP Saitama-shi
- Assignee: Tamron Co., Ltd.
- Current Assignee: Tamron Co., Ltd.
- Current Assignee Address: JP Saitama-shi
- Agency: The Webb Law Firm
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@2339315b
- Main IPC: H04N5/232
- IPC: H04N5/232 ; G02B23/26 ; G02B13/18 ; G02B7/02 ; G02B17/02 ; H04N5/225 ; G02B9/62 ; G02B13/00

Abstract:
An imaging optical system according to the present invention is the imaging optical system composed by arranging a front group, a stop, and a rear group in order from an object side, a lens arranged closest to the stop in the front group is a positive lens, a lens arranged closest to the stop in the rear group is also a positive lens, and specific conditional expressions are satisfied. In addition, an imaging apparatus according to the present invention includes the imaging optical system.
Public/Granted literature
- US20180213151A1 Imaging Optical System and Imaging Apparatus Public/Granted day:2018-07-26
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