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Kowa LM25HC Lens

Kowa Lens

Product Family

1" HC

Part Number




Sensor Size


Lens Type


Focal Length


Salient Features

1″ HC Series

]Introducing Kowa’s lineup of megapixel lenses designed for 1″ megapixel cameras. 1″ megapixel HC lenses have low distortion, excellent light transmission, and can be used with smaller format size cameras.


  • Excellent Corner Brightness: No fading along edges of the image
  • Perfect for Large Format 1″ Megapixel Applications: Assists the megapixel camera in producing large, high resolution images
  • Low Distortion: Kowa’s design solves distortion issues to create an accurate reproduction of the environment
  • High Performance and Compact: This high performance lens is optimal for a wide range of applications

Focal Length 25mm
Focal Length Sort Order 025
Lens Type Fixed Focal Length
Image Size 1″ (12.8 x 9.6 x 16mm)
Iris Range (F-Stop) F1.4 – 16
Angle of View 1/1.8″ (Hor. x Ver. x Dia.) 16.5 x 12.4 x 20.6°
Angle of View 2/3″ (Hor. x Ver. x Dia.) 20.2 x 15.1 x 25.2°
Angle of View 1″ (Hor. x Ver. x Dia.) 29.3 x 22.0 x 36.6°
TV Distortion -1.0%
Minimum Object Focus Distance (1/1.8″) (Hor. x Ver. x Dia.) 88.9 x 66.5 x 111.7mm
Minimum Object Focus Distance (2/3″) (Hor. x Ver. x Dia.) 109.1 x 81.4 x 137.4mm
Minimum Object Focus Distance (1″) (Hor. x Ver. x Dia.) 160.7 x 119.2 x 204.3mm
Focusing Range 0.3m
Flange Back 17.526mm in air
Back Focus 16.5mm in air
Filter Thread Size M35.5×0.5
Front/Rear Effective Diameter Front Φ21.0mm / Rear Φ19.4mm
Mount C-mount
Exit Pupil Location -57.9mm
Temperature Range -10°C ~ +50°C
Storage Temperature Range -20°C ~ +60°C
Resolution: Center/Corner Center 100lp/mm / Corner 80lp/mm
Weight 135g

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