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Kowa LM8JCM Lens

Kowa Lens

Product Family

2/3" JCM

Part Number




Sensor Size


Lens Type


Focal Length


Salient Features

2/3″ JCM Series

The 2/3″ megapixel JCM lens series provides extremely high megapixel resolution and utilizes Kowa’s floating mechanism design. With a close minimum object distance, low distortion, and compact design, these lenses are ideal for machine vision applications.


  • Low Distortion: High precision aspherical lens greatly reduces distortion and produces a high definition picture
  • Super Wide Angle Optical Design: Wide angle optical design for a large field of view
  • Resistant to Vibration and Shock: Able to perform even in the most difficult environments
  • Extra Low Distortion: LM5JC1M: under 0.5%, LM3NC1M: under 0.4% TV Distortion
  • Ideal for Megapixel Cameras: Assists megapixel cameras in producing large, high resolution images
  • Clear Resolution at Center and Corner: Provides a clear image throughout the center and edges of the image
  • High Transmission: Provides high performance even in dark lighting conditions


Focal Length (mm) 8
Lens Type Fixed
Image Size (mm) 2/3″ (Φ11)
Iris Range (F-stop) F1.4 ~ Close
Focusing Range (m) 0.10 ~ ∞
Iris Control Manual
Focus Control Manual
Shooting Range at M.O.D. (mm) 117.2(H) x 88(V)
Angle of View 2/3″ (°) 56.5 x 43.9
Angle of View 1/2″ (°) 42.6 x 32.5
Angle of View 1/3″ (°) 32.5 x 24.6
Resolution (Center, Corner) 120lp/mm, 100lp/mm
TV Distortion (%) -0.6
Back Focus in Air (mm) 9.74
Mount C-mount
Filter Thread Size (mm) M27 x P0.5
Minimum Focus Distance (m) 0.1
Flange Back in Air (mm) 17.526
Front/Rear Effective DIA (mm) Φ17.5, Φ15.6
Exit Pupil (mm) 225.6
Size (mm) Φ34 x 41.6
Weight (g) 90
Temperature Range (°C) -10 ~ +50


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