Kowa LM12JC – 12mm F/1.4 Compact Lens

Kowa LM12JC – 12mm F/1.4 Compact Lens

The 2/3″ JC lens series has a longstanding tradition of providing support to a wide range of vision systems. These lenses have low excellent resolution, and with a focal lengths ranging from 6mm to 100mm, the JC lenses can be used in a wide variety of applications.


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Product Description

12mm F/1.4 Machine Lens

The Kowa LM12JC is a fixed focus lens designed for machine vision applications.  Locking focus and aperture rings ensure settings hold firm.  The design provides crisp clear images even at long distance with low distortion and high transmission across the full field of view to eliminate fading.

Kowa LM12JC Mechanical Drawing
Kowa LM12JC Dimensions
Kowa LM12JC Details
Focal Length 12mm
Focal Length Sort Order 12
Lens Type Fixed Focal Length
Image Size 2/3" (8.8 x 6.6 x 11mm)
Iris Range (F-Stop) F1.4 - 16
Angle of View 1/2" (Hor. x Ver. x Dia.) 30.7 x 23.0 x 38.6°
Angle of View 1/1.8" (Hor. x Ver. x Dia.) 34.6 x 25.9 x 43.5°
Angle of View 2/3" (Hor. x Ver. x Dia.) 42.5 x 31.7 x 53.7°
TV Distortion -2.50%
Min. Object Focus Distance (1/2") 57.5 x 42.6 x 73.0mm
Min. Object Focus Distance (1/1.8") 65.1 x 48.1 x 83.2mm
Min. Object Focus Distance (2/3") 81.1 x 59.4 x 105.1mm
Focusing Range 0.1m
Flange Back 17.526mm in air
Back Focus 11.1mm in air
Filter Thread Size M27x0.5
Front/Rear Effective Diameter Front Φ12.3mm / Rear Φ11.7mm
Mount C-mount
Exit Pupil Location -32.5mm
Temperature Range -10°C ~ +50°C
Storage Temperature Range -20°C ~ +60°C
Resolution: Center/Corner Center 100lp/mm / Corner 40lp/mm
Weight 60g
Kowa JC Series Brochure PDF 1.1M Download File
LM12JC Datasheet PDF 123k Download File
LM12JC CAD Drawing DXF 221k Download File
LM12JC Transmission PDF 20k Download File
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