Title:
ATTACHMENT OPTICAL SYSTEM AND IMAGE CAPTURING DEVICE HAVING THE SAME
Document Type and Number:
Japanese Patent JP2020118775
Kind Code:
A
Abstract:
To provide an attachment optical system which is designed to be removably attached to an image capturing optical system on the image side and is capable of suppressing variation in field of view during wobbling, and to provide an image capturing device having the same.SOLUTION: An attachment optical system LA designed to be removably attached to an image capturing optical system on the image side is provided, the attachment optical system comprising, in order from the object side to the image side, a first lens unit L1 and a second lens unit L2. Each of the first and second lens units is a wobbling lens group capable of simultaneously moving back and forth along an optical axis for autofocusing. The attachment optical system includes a drive unit configured to independently drive the first lens unit and the second lens unit.SELECTED DRAWING: Figure 1
Inventors:
EGUCHI YOSUKE
Application Number:
JP2019008133A
Publication Date:
August 06, 2020
Filing Date:
January 22, 2019
Export Citation:
Assignee:
CANON KK
International Classes:
G02B15/22; G02B7/14; G02B7/28; G02B7/34; G02B7/36; G02B13/18; G02B15/10; G03B11/00; G03B13/36; G03B17/14; H04N5/225; H04N5/232; H04N5/238
Attorney, Agent or Firm:
Takuma Abe
Sogo Kuroiwa
Sogo Kuroiwa