US 12,228,708 B2
Optical system including cemented lenses, imaging apparatus including the same, and moving apparatus including the same
Naoto Doujou, Tochigi (JP); and Kazuhiko Kajiyama, Tochigi (JP)
Assigned to Canon Kabushiki Kaisha, Tokyo (JP)
Filed by CANON KABUSHIKI KAISHA, Tokyo (JP)
Filed on Mar. 13, 2023, as Appl. No. 18/182,903.
Claims priority of application No. 2022-042500 (JP), filed on Mar. 17, 2022.
Prior Publication US 2023/0296881 A1, Sep. 21, 2023
Int. Cl. G02B 27/00 (2006.01); B60Q 9/00 (2006.01); B60T 7/22 (2006.01); B60T 8/171 (2006.01); B60T 8/172 (2006.01); G02B 13/00 (2006.01); G06V 20/58 (2022.01); G08G 1/16 (2006.01)
CPC G02B 13/006 (2013.01) [B60Q 9/008 (2013.01); B60T 7/22 (2013.01); B60T 8/171 (2013.01); B60T 8/172 (2013.01); G02B 27/0025 (2013.01); G06V 20/58 (2022.01); G08G 1/16 (2013.01); B60T 2201/022 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An optical system comprising:
an aperture stop closest to an object; and
a plurality of lenses,
wherein the plurality of lenses includes a first positive lens convex toward an object side, a first negative lens convex toward the object side, a first cemented lens, and a second cemented lens arranged consecutively in this order from the object side to an image side, and
wherein the first cemented lens and the second cemented lens each include a negative lens concave toward the object side and a positive lens cemented to the negative lens, and the negative lens and the positive lens are arranged in this order from the object side to the image side.