Kowa Lens Microscope Objective Lens LM12JC

Kowa Lens Microscope Objective Lens LM12JC

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.

Product Details


Format: 2/3" 

Focal Length: 12mm 

Aperture: F1.4 

Iris Type:Manual I

ris Mount: C-Mount Additional Information FA Industrial Type. Locking Screws (Focus and Iris). 

Recommended for cameras up to 1.5 megapixel resolution.

 Focal Length (mm) 12 

Lens Type Fixed Image Size (mm) 2/3" (Φ11) 

Iris Range (F-stop) F1.4 ~ F16 

Focusing Range (m) 0.1 ~ ∞ 

Iris Control Manual Focus Control Manual Shooting Range at M.O.D. (mm) 237(H) x 173(V)

 Angle of View 2/3" (°) 42.5 x 31.7 

Angle of View 1/2" (°) 30.7 x 23.0 

Angle of View 1/3" (°) 23.0 x 17.2 Horizontal 

Angle of View (°) 42.5° Vertical 

Angle of View (°) 31.7° Diagonal 

Angle of View (°) 53.7° Horizontal 

Shooting Range at M.O.D. (mm) 237 Vertical Shooting Range at M.O.D. (mm) 173 Diagonal Shooting Range at M.O.D (mm) 307 Resolution (Center, Corner) 100lp/mm, 60lp/mm 

TV Distortion (%) -2.5 

Back Focus in Air (mm) 11.12 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) Φ12.3, Φ11.7 Exit Pupil (mm) -38.9 Size (mm) Φ28.5 x 31.5 

Weight (g) 63 

Temperature Range (°C) -10 ~ +50

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