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Lensation Lens, B3M8018S12, 8 mm, 1/2″

$ 161.92

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Lensation B3M8018S12 – 8 mm S-Mount Lens, 3 MP, 1/2″ Sensor Format, F1.8 Aperture

The Lensation B3M8018S12 is a compact and bright S-Mount (M12) lens designed for high-performance imaging on up to 3-megapixel sensors with 1/2-inch format. With a wide F1.8 aperture, it provides excellent low-light capabilities, making it a reliable choice for embedded vision, automation, surveillance, and robotics applications.


Product Specifications

  • Model: B3M8018S12

  • Brand: Lensation (Lensagon Series)

  • Mount Type: S-Mount (M12)

  • Sensor Format: 1/2″

  • Focal Length: 8 mm

  • Aperture: F1.8 (Fixed Iris)

  • Minimum Object Distance (MOD): 0.5 m

  • Back Focal Length: 7.9 mm

  • Resolution Support: Up to 3 MP

  • Field of View (FoV):

    • Diagonal: 57.7°

    • Horizontal: 46.5°

    • Vertical: 35.1°

  • Focus Type: Fixed

  • IR Cut Filter: No

  • Weight: 12 g


Key Benefits

  • High-Performance Optics for 3 MP Sensors – Delivers sharp, distortion-controlled images across the full sensor

  • Bright F1.8 Aperture – Enhances low-light imaging, perfect for indoor automation or NIR-sensitive setups

  • Compact & Lightweight – Ideal for space-limited machine vision and embedded designs

  • Wide Field of View (57.7° Diagonal) – Suitable for wide coverage and object tracking applications

  • Fixed Focus & Iris – Ensures image consistency in industrial environments


Download Datasheet

Get the full technical details and mechanical drawings in the official PDF:


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Additional information

Lens Resolution (MPix)

Lens Focal Length (mm)

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