Title:
LENS DEVICE
Document Type and Number:
Japanese Patent JP2022189278
Kind Code:
A
Abstract:
To provide a lens device that can achieve both dust-proof and drip-proof performance and optical performance while maintaining the appearance quality, and can perform stereoscopic photography with an angle of view exceeding 180 degrees.SOLUTION: A lens device has: a lens that is arranged on the most subject side; a holding member that holds the lens; a cover member that includes a first opening for exposing the lens when seen from an optical axis direction of the lens, and is positioned with respect to the holding member in the optical axis direction; and an exterior member that includes a second opening fitted to an outer diameter of the cover member. A first gap in a radial direction orthogonal to the optical axis direction formed between the holding member and the cover member is larger than a second gap in the radial direction formed between the exterior member and the cover member.SELECTED DRAWING: Figure 2
Inventors:
NODA TOYOHITO
ITO DAIKI
UEHARA TAKUMI
MURAKAMI TARO
NITSUTO KIYOSHI
ITO DAIKI
UEHARA TAKUMI
MURAKAMI TARO
NITSUTO KIYOSHI
Application Number:
JP2021097777A
Publication Date:
December 22, 2022
Filing Date:
June 11, 2021
Export Citation:
Assignee:
CANON KK
International Classes:
G03B35/10; G03B11/04; G03B15/00; G03B17/02; G03B17/08; G03B17/14; G03B37/00
Attorney, Agent or Firm:
Ryosuke Fujimoto
Atsuya Mizumoto
Tomoya Hirayama
Atsuya Mizumoto
Tomoya Hirayama