Title:
ズームレンズ及び撮像装置
Document Type and Number:
Japanese Patent JP7387423
Kind Code:
B2
Abstract:
A zoom lens includes, in order from an object side to an image side, a first lens unit having a positive refractive power, a second lens unit having a negative refractive power, one or two intermediate lens units having positive refractive powers, and a final lens unit having a positive power. A distance between each pair of adjacent lens units changes in zooming from a wide-angle end to a telephoto end. The one or two intermediate lens units include three or four lenses. The one or two intermediate lens units include a single lens having a positive refractive power and being closest to the image side. The final lens unit includes three or four lenses. The zoom lens satisfies specified conditional expressions.
Inventors:
Nobuyuki Miyazawa
Application Number:
JP2019233678A
Publication Date:
November 28, 2023
Filing Date:
December 25, 2019
Export Citation:
Assignee:
Canon Inc
International Classes:
G02B15/20
Domestic Patent References:
| JP2018116182A | ||||
| JP2013092557A | ||||
| JP2013250340A | ||||
| JP2012088618A | ||||
| JP2000321494A | ||||
| JP2014029375A |
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsuya Mizumoto
Tomoya Hirayama
Atsuya Mizumoto
Tomoya Hirayama