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 JP5836654
Kind Code:
B2
Abstract:
A zoom lens includes, in order from an object side to an image side, a first lens unit of a positive refractive power, a second lens unit of a negative refractive power, a third lens unit of a positive refractive power, a fourth lens unit of a positive refractive power, and a fifth lens unit, the second and fourth lens units being moved during zooming, a distance between the first and second lens units increasing at a telephoto end in comparison with a wide-angle end, wherein the fifth lens unit includes a first lens subunit of a negative refractive power, and a second lens subunit of a positive refractive power, the first lens subunit is moved to have a component perpendicular to an optical axis to change an image-forming position, and a condition 0.5<|(1−β5n)×β5p|<2.0 is satisfied.
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Inventors:
Shinichiro Saito
Application Number:
JP2011132020A
Publication Date:
December 24, 2015
Filing Date:
June 14, 2011
Export Citation:
Assignee:
Canon Inc
International Classes:
G02B15/16
Domestic Patent References:
| JP201185654A | ||||
| JP200786403A | ||||
| JP2011197302A | ||||
| JP2012128116A | ||||
| JP2011133799A |
Foreign References:
| WO2012063711A1 |
Attorney, Agent or Firm:
Yukio Takanashi
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