Lenses

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

L017-4.3-M12

Description

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

L017-4.3-M12_both.jpg

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

L017-4.3-M12.PNG

L018-5-M12

Description

5mm M12 12M lens

L018_wide.jpg

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

L018-5-M12_drawings_wide.png

L044-16-M12

Description

16mm M12 lens

L044_wiki.jpg

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

L045_wiki.jpg

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

L045-25-M12.PNG

L046-35-M12

Description

35mm M12 low distortion lens

L046.jpg

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

L046-35-M12.PNG

L049-50-M12

Description

50mm M12 low distortion lens

L049_wiki.jpg

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

L049-50-m12_dimensions.png

L059-FZA-2.8Z12-CS

Description

2.8-12mm CS manual zoom lens

IMG_2763_r2.jpg

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

L059-FZA-2.8Z12-CS_2.png

L058-FZA-5Z50-CS

Description

5-50mm CS manual zoom lens

IMG_2773_r2.jpg

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

L058-FZA-5Z50-CS.png

 

L064-2.1-M12

Description

2.1mm M12 wide angle fixed focus lens

IMG_8424_r2.jpg

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

L064-2_1-M12_dimensions.png

L067-FZA-12Z120-C

Description

12-120mm CS manual zoom lens

IMG_2784_r2.jpg

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

L072-1.15-M12_wide.jpg

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

L072-1.15-M12_drawing_wide.png

L078-2.78-M12

Description

2.78mm M12 wide angle low distortion fixed focus lens

IMG_0195_l.jpg

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

01_illumination_out.png

Distortion02_distortion_out.png

 

Dimensions

L078-2_78-M12_dimensions.png

L079-3.04-M12

Description

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

IMG_8839_2.jpg

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

L079-3.04-M12.PNG

L098-1.1-M12

Description

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

L098_wiki.jpg

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

L098-1.1-M12.png

L102-2.11-M12

Description

2.11mm M12 wide angle fixed focus lens

IMG_0191_l.jpg

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

b3oL102-2_11-M12_dimensions.png

 

L125-ZFA-10Z55-C

Description

10-55mm CS-mount low distortion lens

L125-ZFA-10Z55-C_wiki.jpg

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

L125-ZFA-10Z55-C.PNG

L126-FA-4.5-C

Description

4.5mm C-mount fixed focus low distortion lens

L126-FA-4.5-C_wiki.jpg

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

L126-FA-4.5-C.PNG

L147-75-M12

Description

75mm M12-mount fixed focus lens

L147-75-M12_wide.jpg

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

L147-75-M12_DIMENSIONS_WIDE.png

L156-8-M12

Description

8mm M12-mount fixed focus lens

L156-8-m12_wiki.jpg

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

L157-12-m12_wiki.jpg

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

L158-14-m12_wiki.jpg

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

L159-35-m12_wiki.jpg

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

L161-21.6-M12_wiki.jpg

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.