G02B9/18 - CPC Classification Index

ClassID:

174452 ⎘

G02B9/18 - CPC Classification

Classification description:

Optical objectives characterised both by the number of the components and their arrangements according to their sign, i.e. + or - having three components only arranged + - + only one component having a compound lens

Sub-classes:

G02B9/20 » the rear component having the compound 6
G02B9/22 » the middle component having the compound 4

Recent Application in this class:

20250020896

2025-01-16

IMAGE PICKUP APPARATUS, OPTICAL SYSTEM, AND DETECTION SYSTEM

20220365178

2022-11-17

OPTICAL DETECTOR

20210103124

2021-04-08

Imaging optical system, imaging apparatus and electronic device

20210048652

2021-02-18

Imaging lens and imaging apparatus

20200132973

2020-04-30

Lens system, imaging apparatus, and moving object

20190142249

2019-05-16

Endoscope objective optical system

20180113293

2018-04-26

Objective

20170176721

2017-06-22

Single focus lens and photographing apparatus having the same

20100046095

2010-02-25

Lens unit and image capturing device