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4/3-inch 8.5mm Focal XC Series Machine Vision & Factory Automation Lens

The Kowa LM8XC 4/3" megapixel lens series provides a large image format of Ø23mm(C-mount). These high precision aspherical lenses greatly reduce distortion and produces a high definition picture. LM8XC lenses maintain megapixel resolution thoughout the entire image even if the iris is fully open. In addition, Kowa's wide-band multi-coating effectively reduces glare and refraction.

Floating Mechanism Design
Kowa's floating mechanism design virtually eliminates optical abberations from close distance to infinity

XD Extra Low Dispersion
Kowa's wide-band multi-coating effectively reduces glare and refraction

Low Distortion
High precision aspherical lens greatly reduces distortion and produces a high definition picture

Large Image of Φ23mm (C-mount)

Consistent Megapixel Resolution
Megapixel resolution is maintained throughout the entire image, even if the iris is fully opened

→ Floating Mechanism Design
→ XD Extra Low Dispersion
→ Low Distortion
→ Large Image of Ø23mm (C-mount)
→ Consistent Megapixel Resolution

Specifications for the LM8XC Lens
Focal Length 8mm
Focal Length Sort Order 008
Lens Type Fixed Focal Length
Image Size 4/3" (18.4 x 13.8 x 23mm)
Iris Range (F-Stop) F2.8 - 22
Angle of View 2/3" (Hor. x Ver. x Dia.) 53.8 x 41.6 x 64.8°
Angle of View 1" (Hor. x Ver. x Dia.) 72.9 x 57.9 x 85.5°
Angle of View 4/3" (Hor. x Ver. x Dia.) 93.5 x 77.1 x 106.0°
TV Distortion 0.12%
Minimum Object Focus Distance (2/3") (Hor. x Ver. x Dia.) 114.5 x 85.9 x 143.1mm
Minimum Object Focus Distance (1") (Hor. x Ver. x Dia.) 166.4 x 124.9 x 207.9mm
Minimum Object Focus Distance (4/3") (Hor. x Ver. x Dia.) 238.4 x 179.1 x 297.3mm
Focusing Range 0.1m
Flange Back 17.526mm in air
Back Focus 12.9mm in air
Filter Thread Size M72x0.75
Front/Rear Effective Diameter Front Φ45.5mm / Rear Φ16.5mm
Mount C-mount
Exit Pupil Location -75.2mm
Temperature Range -10°C ~ +50°C
Storage Temperature Range -20°C ~ +60°C
Resolution: Center/Corner Center 160lp/mm / Corner 63lp/mm
Weight 245g
lm8xc-avs.pdfSpec Sheet


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Prices and specifications subject to change without notice.