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Patent Searching and Data


Title:
ZOOM LENS AND IMAGING APPARATUS INCLUDING THE SAME
Document Type and Number:
Japanese Patent JP2019008088
Kind Code:
A
Abstract:
To provide a zoom lens that has a macrophotography mechanism and a high optical performance attained in macrophotography, and an imaging apparatus including the same.SOLUTION: In a zoom lens in which a final lens group immovable for zooming is arranged closest to an image side, the final lens group includes: a N1-th lens group, a N2-th lens group moving in an optical axis direction for macrophotography, and a N3-th lens group moving to an object side for macrophotography. A lateral magnification βn3 of the N3-th lens group at a wide-angle end when an optical flux is incident from an infinite distance and focal lengths fn2, fn3 of the N2-th lens group and the N3-th lens group are appropriately set.SELECTED DRAWING: Figure 1

Inventors:
SHIMOMURA KAZUYA
Application Number:
JP2017122709A
Publication Date:
January 17, 2019
Filing Date:
June 23, 2017
Export Citation:
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Assignee:
CANON KK
International Classes:
G02B15/167; G02B13/18; G02B15/20
Attorney, Agent or Firm:
Yukio Takanashi