Title:
ズームレンズ及びそれを有する撮像装置
Document Type and Number:
Japanese Patent JP5606201
Kind Code:
B2
Abstract:
A zoom lens includes a first lens unit having a negative refractive power and which is provided at a location closest to an object side, a lens unit LP having a positive refractive power, which is provided at a location closest to an image side, and which is stationary during zooming, and a lens unit LN having a negative refractive power, which is provided adjacent to the lens unit LP on the object side of the lens unit LP, and which is configured to move during zooming. In the zoom lens, optical parameters fp, fn, fw, ft, fni and nudni are appropriately set.
Inventors:
Sato New
Application Number:
JP2010166579A
Publication Date:
October 15, 2014
Filing Date:
July 24, 2010
Export Citation:
Assignee:
Canon, Inc.
International Classes:
G02B15/20; G02B13/18
Attorney, Agent or Firm:
Yukio Takanashi