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Kowa LM25JCM 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) 25
Lens Type Fixed
Image Size (mm) 2/3″ (Φ11)
Iris Range (F-stop) F1.4 ~ F16
Focusing Range (m) 0.2 ~ ∞
Iris Control Manual
Focus Control Manual
Shooting Range at M.O.D. (mm) 71.1(H) x 53.3(V)
Angle of View 2/3″ (°) 19.6 x 14.8
Angle of View 1/2″ (°) 14.0 x 10.5
Angle of View 1/3″ (°) 10.5 x 7.9
Resolution (Center, Corner) 120lp/mm, 100lp/mm
TV Distortion (%) -0.04
Back Focus in Air (mm) 11.1
Mount C-mount
Filter Thread Size (mm) M27 x P0.5
Flange Back in Air (mm) 17.526
Front/Rear Effective DIA (mm) Φ24.0, Φ12.8
Exit Pupil (mm) -80
Size (mm) Φ33 x 39.5
Weight (g) 89
Temperature Range (°C) -10 ~ +50

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