Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
撮像レンズおよび撮像装置
Document Type and Number:
Japanese Patent JP6594281
Kind Code:
B2
Abstract:
The imaging lens consists of a first lens group G1, an aperture stop St, and a positive second lens group G2, in order from an object side. The first lens group G1 consists of a 1-1st negative meniscus lens L11 with its convex surface toward the object side, a 1-2nd negative lens L12 with its concave surface toward an image side, a 1-3rd positive lens L13 having a biconvex shape, a 1-4th negative meniscus lens L14 with its convex surface toward the object side, and a 1-5th positive lens L15 with its convex surface toward the object side, in order from the object side. Predetermined conditional expressions are satisfied which relate to a focal length of the whole system, a focal length of the first lens group G1, and a distance on an optical axis between the 1-4th negative meniscus lens L14 and the 1-5th positive lens L15.

Inventors:
Okada Waka
Rinsei Cho
Application Number:
JP2016191323A
Publication Date:
October 23, 2019
Filing Date:
September 29, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FUJIFILM Corporation
International Classes:
G02B13/04; G02B13/18
Domestic Patent References:
JP9090214A
JP2005128487A
JP2000039553A
JP2016001335A
JP1113714A
Foreign References:
US20130235465
WO2011077716A1
DE102004043257A1
Attorney, Agent or Firm:
Patent Service Corporation Taiyo International Patent Office