ClassID:

174507

G02B13/20 - CPC Classification

Classification description:

Optical objectives specially designed for the purposes specified below Soft-focus objectives

Recent Application in this class:
#1
20220350107
2022-11-03

Method for determining a deviation on a displacement path of an optical zoom lens and method for correction and image recording device

#2
20210157095
2021-05-27

Optical imaging lens

#3
20210063847
2021-03-04

Lens attachment for imparting stray light effects

#4
20190346659
2019-11-14

Method for determining a deviation on a displacement path of an optical zoom lens and method for correction and image recording device

#5
20180356617
2018-12-13

Soft focus optical system, soft focus adapter, soft focus lens, and image pickup apparatus

#6
20180239222
2018-08-23

Lens attachment for imparting stray light effects

#7
20180172964
2018-06-21

Optical system, optical apparatus, and image pickup apparatus

#8
20180067333
2018-03-08

Optical system and optical apparatus incorporating the same

#9
20180048820
2018-02-15

Pixel readout of a charge coupled device having a variable aperture

#10
20180003929
2018-01-04

Attachment optical system, image capturing optical system, and image capturing apparatus

#11
20170307860
2017-10-26

Objective lens for a still or film camera and method for selective damping of specific spatial frequency ranges of the modulation transfer function of such an objective lens

#12
20160191766
2016-06-30

Microlens array imaging device and imaging method

#13
20120300317
2012-11-29

Fixed-focus projection lens

#14
20100328517
2010-12-30

Single-lens extended depth-of-field imaging systems

#15
20100295973
2010-11-25

DETERMINATE AND INDETERMINATE OPTICAL SYSTEMS

#16
20100246031
2010-09-30

Large aperture imaging optical systems

#17
20100110275
2010-05-06

Large depth-of-field imaging system and iris recogniton system

#18
20090161221
2009-06-25

Multi-layered light diffusion plate and liquid crystal display device comprising the same

#19
20090052064
2009-02-26

Large aperture imaging optical system

#20
20080252996
2008-10-16

Telephoto lens system

#21
20050200976
2005-09-15

Optical lens soft-focus effect