By: Kowa
Security and Factory Automation Lenses
Contact us for lowest price (800) 284-2288, (858) 565-1101,, or fax (858) 300-4193
50mm Focal Large Format NIR Series Machine Vision & Factory Automation Lens

Kowa is proud to introduce its large format, IR corrected lens with broadband coating and low distortion. The LM50-IR-P maintains its superior performance from visible to near infrared wavelengths (NIR) without any focus shift. The LM50-IR is available in F-mount or P-mount (M42x1.0). In addition, Kowa now offers the LM50-IR-P lens which provides all of the same outstanding capabilities as the LM50-IR, but now provides M42-mount capabilities.

→ IR Corrected Design
→ Bright F-stop of F1.9
→ Ideal for Multiple Applications

Focal Length (mm) 12
Lens Type Fixed
Image Size (mm) 12.8 x 9.6 (Ø16)
Iris Range (F-stop) F1.8 ~ F16
Focusing Range (m) 0.1 ~ ∞
Iris Control Manual
Focus Control Manual
Shooting Range at M.O.D. (mm) 125.5 (H) x 93.5 (V)
Angle of View 1" (°) 55.9 x 43.1
Angle of View 2/3" (°) 39.8 x 30.2
Angle of View 1/1.8" (°) 32.9 x 24.9
Horizontal Angle of View (°) 55.9°
Vertical Angle of View (°) 43.1°
Diagonal Angle of View (°) 67.3°
Horizontal Shooting Range at M.O.D. (mm) 125
Vertical Shooting Range at M.O.D. (mm) 93
Diagonal Shooting Range at M.O.D (mm) 157
Resolution (Center, Corner) 160lp/mm, 120lp/mm
TV Distortion (%) 0.0055
Back Focus in Air (mm) 13
Mount C-mount
Filter Thread Size (mm) M40.5 x P0.5
Minimum Focus Distance (m) 0.1
Flange Back in Air (mm) 17.526
Front/Rear Effective DIA (mm) Ø34, Ø16
Exit Pupil (mm) -31.8mm
Size (mm) Ø43 x 84.0
Weight (g) 255
Temperature Range (°C) -10 ~ 50°


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Prices and specifications subject to change without notice.