Title:
撮像レンズおよび撮像装置
Document Type and Number:
Japanese Patent JP6460934
Kind Code:
B2
Abstract:
An imaging lens is constituted by, in order from the object side to the image side: a front group; an aperture stop; and a rear group having a positive refractive power. The front group is constituted by, in order from the object side to the image side: at least two negative lenses, and a cemented lens formed by cementing a negative lens and a positive lens having a smaller Abbe's number with respect to the d line than the negative lens, provided in this order from the object side to the image side, together. The rear group is constituted by, in order from the object side to the image side: at least one positive lens, and a cemented lens having a positive refractive power as a whole, formed by cementing a positive lens and a negative lens, provided in this order form the object side to the image side, together.
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Inventors:
Kazunori Inoue
Application Number:
JP2015144898A
Publication Date:
January 30, 2019
Filing Date:
July 22, 2015
Export Citation:
Assignee:
FUJIFILM Corporation
International Classes:
G02B13/04
Domestic Patent References:
| JP201536779A | ||||
| JP7181377A | ||||
| JP2293709A | ||||
| JP2008233610A | ||||
| JP2008134494A |
Foreign References:
| WO2012127826A1 | ||||
| WO2011024657A1 | ||||
| US20130057972 | ||||
| US8947789 | ||||
| US20120147480 |
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office