Lenses

Specifications of M12, CS, and C-mount lenses offered along with Kurokesu cameras

• L017-4.3-M12
• L018-5-M12
• L044-16-M12
• L045-25-M12
• L046-35-M12
• L049-50-M12
• L059-FZA-2.8Z12-CS
• L058-FZA-5Z50-CS
• L064-2.1-M12
• L067-FZA-12Z120-C
• L072-1.15-M12
• L078-2.78-M12
• L079-3.04-M12
• L098-1.1-M12
• L102-2.11-M12
• L125-ZFA-10Z55-C
• L126-FA-4.5-C
• L147-75-M12
• L156-8-M12
• L157-12-M12
• L158-14-M12
• L159-35-M12
• L161-21.6-M12
• Update History

L017-4.3-M12

Description

4.3mm 14MP Low Distortion lens, with M12 mount, IR Cut, 1/2.3"

Specifications

Focal Length	4.3mm
Aperture	f/3.0
Image Size	1/2.3"
Angle of View	D: 83°
Mount Type	M12 x 0.5-6g
Minimum Object Distance	0.2m
Distortion	<-1.2%
Back focal length	3.62mm
External Dimensions	D=14mm L=19.18mm
AR coating	Yes
Net Weight	8g

Dimensions

L018-5-M12

Description

5mm M12 12M lens

Specifications

Focal Length	5mm
Aperture	f/1.7
Image Size	14.9mm (1/1.7")
Angle of View	D: 114.4° H: 87° V: 61.8°
Mount Type	M12 x 0.5-6g
Minimum Object Distance	0.15m
Back focal length	6.39mm
External Dimensions	D=17mm L=24.9mm
AR coating	Yes
Net Weight	15g

Dimensions

L044-16-M12

Description

16mm M12 lens

Specifications

Focal Length	16mm
Rated resolution	5M
Aperture	f/1.8
Image Size	1/1.2"
Angle of View	D: 28.9°
Mount Type	M12 x 0.5-6g
Minimum Object Distance	0.3m
CRA	≤17.3°
Back focal length	5.75mm
External Dimensions	D=14mm L=16mm
Net Weight	6g

Dimensions

TBD

L045-25-M12

Description

25mm M12 low distortion lens

Specifications

Focal Length	25mm
Aperture	f/1.8
Image Size	1/1.2"
Angle of View	H: 15.04°
Mount Type	M12 x 0.5-6g
Minimum Object Distance	0.3m
CRA	≤7.4°
Distortion	<1.1%
Back focal length	6.1mm
External Dimensions	D=14mm L=20.4mm
AR coating	Yes
Net Weight	6g

Dimensions

L046-35-M12

Description

35mm M12 low distortion lens

Specifications

Focal Length	35mm
Aperture	f/2.5
Image Size	1/2"
Angle of View	H: 11.0°
Mount Type	M12 x 0.5-6g
Minimum Object Distance	0.3m
Back focal length	14.25mm
External Dimensions	D=20mm L=33.4mm
Net Weight	37g

Dimensions

L049-50-M12

Description

50mm M12 low distortion lens

Specifications

Focal Length	50mm
Aperture	f/2.5
Image Size	1/2"
Angle of View	H: 7.3°
Mount Type	M12 x 0.5-6g
Minimum Object Distance	0.1m
Back focal length	17.18mm
External Dimensions	D=25mm L=48.8mm
Net Weight	37g

Dimensions

L059-FZA-2.8Z12-CS

Description

2.8-12mm CS manual zoom lens

Specifications

Focal Length	2.8-12mm
Aperture	f/1.6
Image Size	1/2.7"
Angle of View	Wide: 137.8° x 102.6° x 74.3° Tele: 37.2° x 29.9° x 22.6°
Mount Type	CS
Minimum Object Distance	0.3m
Operation Mode	Iris: Manual with Lock Focus: Manual with Lock Zoom: Manual with Lock
External Dimensions	D=33.7mm L=57.83mm
AR coating	Yes
Net Weight	75g

Dimensions

L058-FZA-5Z50-CS

Description

5-50mm CS manual zoom lens

Specifications

Focal Length	5-50mm
Aperture	f/1.4
Image Size	1/2.7″
Angle of View	H: 51°-6°
Mount Type	CS
Minimum Object Distance	1.2m
Back Focal Length	8.1mm
Operation Mode	Iris: Manual with Lock Focus: Manual with Lock Zoom: Manual with Lock
External Dimensions	D=44mm L=79mm
AR coating	Yes
Net Weight	172g

Dimensions

 

L064-2.1-M12

Description

2.1mm M12 wide angle fixed focus lens

Specifications

Focal Length	2.1mm
Aperture	f/1.8
Image Size	6.0mm
Angle of View	D: 170° H: 130° V: 96°
Mount Type	M12 x 0.5-6g
Minimum Object Distance	0.2m
Back focal length	6.25mm
External Dimensions	D=17mm L=18.7mm
AR coating	Yes
Net Weight	6g

Dimensions

L067-FZA-12Z120-C

Description

12-120mm CS manual zoom lens

Specifications

Focal Length	12-120mm
Aperture	f/1.8
Image Size	1/1.8"
Angle of View	H: 39° - 2.5°
Mount Type	C
Minimum Object Distance	0.5m
Back focal length	17.53mm
Operation Mode	Iris: Manual with Lock Focus: Manual with Lock Zoom: Manual with Lock
External Dimensions	D=48mm L=97mm
AR coating	Yes
Net Weight	272g

 

L072-1.15-M12

Description

1.15mm M12 fisheye lens

Specifications

Focal Length	1.15mm
Aperture	f/2.0
Image Size	1.27"
Angle of View	D: 220° H: 220° V: 220°
Mount Type	M12 x 0.5-6g
Minimum Object Distance	0.3m
Back focal length	5.42mm
External Dimensions	D=25mm L=22mm
AR coating	Yes
Net Weight	15g

Dimensions

L078-2.78-M12

Description

2.78mm M12 wide angle low distortion fixed focus lens

Specifications

Focal Length	2.78mm
Aperture	f/2.2
Image Size	10.16mm [1/2.5”]
Angle of View	D: 112° H: 100° V: 80°
Mount Type	M12 x 0.5-6g
Minimum Object Distance	0.2m
Distortion	<-3%
CRA	<19°
Back Focal Length	4.92mm
Flange Back Length	3.74mm
External Dimensions	D=18mm L=18.36mm
AR coating	Yes
Net Weight	8g

Relative illumination

Distortion

 

Dimensions

L079-3.04-M12

Description

3.04mm M12 wide angle low distortion fixed focus lens (5M)

Specifications

Focal Length	3.04mm
Aperture	f/4.0
Image Size	[1/2.5"]
Angle of View	D: 102°
Mount Type	M12 x 0.5-6g
Minimum Object Distance	0.2m
Distortion	<1%
Flange Back Length	2.4mm
External Dimensions	D=14mm L=18.5mm
Net Weight	8g

Dimensions

L098-1.1-M12

Description

1.1mm 12MP fish-eye lens with M12 mount, 1/2.3"

Specifications

Focal Length	1.1mm
Aperture	f/2.4
Image Size	1/2.3"
Angle of View	D: 253°
Mount Type	M12 x 0.5-6g
Minimum Object Distance	0.1m
F-Theta distortion	< -9.8%
Back focal length	2.86mm
External Dimensions	D=46mm L=28mm
Net Weight	48.5g

Dimensions

L102-2.11-M12

Description

2.11mm M12 wide angle fixed focus lens

Specifications

Focal Length	2.11mm
Aperture	f/1.8
Image Size	6.7mm
Angle of View	D: 190° H: 142° V: 102°
Mount Type	M12 x 0.5-6g
Minimum Object Distance	0.3m
Back focal length	4.8mm
External Dimensions	D=20mm L=19.1mm
AR coating	Yes
Net Weight	7g

Dimensions

 

L125-ZFA-10Z55-C

Description

10-55mm CS-mount low distortion lens

Specifications

Focal Length	10-55mm
Aperture	f/2.8
Image Size	1/1.7"
Angle of View	Wide: 51.1° x 40.6° x 31° Tele: 9.6° x 7.7° x 5.8°
Mount Type	C
Minimum Object Distance	Wide: 0.1m Tele: 0.2m
Operation Mode	Iris: Manual with Lock Focus: Manual with Lock Zoom: Manual with Lock
External Dimensions	D=38mm L=77.3mm
AR coating	Yes
Net Weight	118g
Rated sensor resolution	10M
Distortion	<-0.1%

Dimensions

L126-FA-4.5-C

Description

4.5mm C-mount fixed focus low distortion lens

Specifications

Focal Length	4.5mm
Aperture	f/2.8
Image Size	1/1.8"
Angle of View	90° x 68° x 56°
Mount Type	C
Minimum Object Distance	0.1m
Operation Mode	Iris: Manual with Lock Focus: Manual with Lock
External Dimensions	D=44mm L=52.6mm
AR coating	Yes
Net Weight	65g
Rated sensor resolution	5M
Distortion	<1.2%

Dimensions

L147-75-M12

Description

75mm M12-mount fixed focus lens

Specifications

Focal Length	75mm
Aperture	f/2.8
Image Size	1/1.8"
Angle of View	6.68° x 5.28° x 3.29°
Mount Type	M12
Minimum Object Distance	1m
External Dimensions	D=30mm L=70.1mm
AR coating	Yes
Net Weight	60.6g
Rated sensor resolution	8M
Distortion	<1%

Dimensions

L156-8-M12

Description

8mm M12-mount fixed focus lens

Specifications

Focal Length	8mm
Aperture	f/1.8
Image Size	1/1.7"
Angle of View	69.2° x 59.6° x 33.1°
Mount Type	M12
Minimum Object Distance	0.3m
Back Focal Length	6.8mm
External Dimensions	D=17mm L=33.1mm
Net Weight	12g
Rated sensor resolution	12M

Dimensions

TBD

L157-12-M12

Description

12mm M12-mount fixed focus lens

Specifications

Focal Length	12mm
Aperture	f/1.8
Image Size	1/1.8"
Angle of View	41.9° x 33.9° x 25.6°
Mount Type	M12
Minimum Object Distance	0.15m
CRA	≤8.3°
Back Focal Length	5.64mm
External Dimensions	D=15mm L=20.4mm
Net Weight	8g
Rated sensor resolution	8M

Dimensions

TBD

L158-14-M12

Description

14mm M12-mount fixed focus lens

Specifications

Focal Length	14mm
Aperture	f/2.8
Image Size	1/1.8"
Angle of View	35° x 28.4° x 21.2°
Mount Type	M12
Minimum Object Distance	0.15m
CRA	≤8.2°
Back Focal Length	5.424mm
Optical distortion	-1.48%
External Dimensions	D=14mm L=15.22mm
Net Weight	5g
Rated sensor resolution	12M

Dimensions

TBD

L159-35-M12

Description

35mm M12-mount fixed focus lens

Specifications

Focal Length	35mm
Aperture	f/2.0
Image Size	2/3"
Angle of View (2/3")	17.66° x 14.2° x 10.7°
Mount Type	M12
Minimum Object Distance	0.15m
CRA	≤8.2°
Back Focal Length	7.57mm
Optical distortion	≤0.71%
External Dimensions	D=20mm L=33.7mm
Net Weight	14g
Rated sensor resolution	8M

Dimensions

TBD

L161-21.6-M12

Description

21.6mm M12-mount fixed focus lens

Specifications

Focal Length	21.6mm
Aperture	f/2.8
Image Size	1/1.8"
Angle of View (1/1.8")	23.4° x 18.9° x 14°
Mount Type	M12
Minimum Object Distance	0.3m
CRA	≤7.97°
Back Focal Length	6.05mm
Optical distortion	≤-1.15%
External Dimensions	D=16mm L=22.6mm
Net Weight	7.5g
Rated sensor resolution	12M

Dimensions

TBD

Update History

Date	Event
2025-06-01	Lens clarification and numbering update. Lxxx[-yyy-aaa][-bbb] xxx - Lens ID yyy - Focal length aaa - Lens mount (CS, M12, ...) bbb - Filter VIS - Band Pass 380-650nm, OD=2 NF - No filter NIR1 - Long pass 850nm filter
2025-06-01	If no filter specified for CS or C-mount lenses, assume NF lens option.
2025-06-01	If no filter specified for M12-mount lenses, assume VIS lens option.