Invention Grant
- Patent Title: Zoom lens, imaging device and method for manufacturing the zoom lens
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Application No.: US15256740Application Date: 2016-09-06
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Publication No.: US10663704B2Publication Date: 2020-05-26
- Inventor: Taku Matsuo , Haruo Sato
- Applicant: Nikon Corporation
- Applicant Address: JP Tokyo
- Assignee: Nikon Corporation
- Current Assignee: Nikon Corporation
- Current Assignee Address: JP Tokyo
- Agency: SGPatents PLLC
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@58fee3e0 com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@21eb938b com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@43cd3529 com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@72f60b20
- Main IPC: G02B15/17
- IPC: G02B15/17 ; G02B15/14 ; G02B27/64 ; G02B5/00 ; G02B27/00
Abstract:
The art has, disposed in order from an object, a first lens group (G1) having positive refractive power, a second lens group (G2) having negative refractive power, a third lens group (G3) having negative refractive power, and a fourth lens group (G4) having positive refractive power, in which zooming is made by varying an air distance between the first lens group (G1) and the second lens group (G2), and the following conditional expression (1) is satisfied: 0.60
Public/Granted literature
- US20170068074A1 ZOOM LENS, IMAGING DEVICE AND METHOD FOR MANUFACTURING THE ZOOM LENS Public/Granted day:2017-03-09
Information query
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