An imaging device which has a zoom lens and it

Title:

An imaging device which has a zoom lens and it

Document Type and Number:

Japanese Patent JP6251009

Kind Code:

B2

Abstract:

Provided is a zoom lens including, in order from an object side to an image side: a first lens unit having a positive refractive power which does not move for zooming; a second lens unit having a negative refractive power which moves during zooming; and an N-th lens unit having a positive refractive power which does not move for zooming and is arranged closest to the image side. In the zoom lens, the N-th lens unit includes in order from an object side: a first sub-lens unit; and a second sub-lens unit which is movable, and a lateral magnification at a wide angle end of the N-th lens unit and a lateral magnification at a wide angle end of the second sub-lens unit of the N-th lens unit when an axial ray enters from infinity in a state in which focus is at the infinity are appropriately set.

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Inventors:

Kazuya Shimomura
Tomoyuki Nakamura
Yu Imoto
Wakazono Tsuyoshi

Application Number:

JP2013234389A

Publication Date:

December 20, 2017

Filing Date:

November 12, 2013

Export Citation:

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Assignee:

Canon Inc

International Classes:

G02B15/167; G02B15/20

Domestic Patent References:

JP2005141056A
JP2002258157A

Foreign References:

US20050099699

Attorney, Agent or Firm:

Okabe
Shinichi Usui
Takao Ochi
Seiichiro Takahashi
Koji Yoshizawa
Masami Saito
Katsuhiko Kimura
Naofumi Tanaka

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