Lensation Lens, BM4218C, 4.2 mm, 1/3″

$ 94.30

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Product Description

Lensation BM4218C – 4.2 mm S-Mount Lens | High Light Intensity, 1/3″ Sensor Compatible

The Lensation BM4218C is a compact, high-performance S-Mount (M12) lens engineered for industrial and embedded vision systems. Supporting up to 1–2 megapixel resolution and optimized for 1/3″ sensors, this lens stands out with its wide-angle 89° field of view and ultra-bright F1.8 aperture, making it an ideal choice for low-light or space-constrained imaging applications.


Product Specifications

  • Brand: Lensation (Lensagon Series)

  • Model: BM4218C

  • Mount: S-Mount (M12)

  • Compatible Sensor Format: 1/3″

  • Focal Length: 4.2 mm

  • Aperture: F1.8 (Fixed Iris)

  • Minimum Object Distance (MOD): 0.2 m

  • Back Focal Length: 7.21 mm

  • Angle of View:

    • Diagonal: 89°

    • Horizontal: 71°

    • Vertical: 49.5°

  • Megapixel Compatibility: 1–2 MP

  • IR Correction: No

  • IR Cut Filter: Yes

  • Optical Distortion: -29%

  • Focus: Fixed

  • Weight: 5.4 g

  • Lens Type: Standard


Key Benefits

  • Ultra Bright F1.8 Aperture – Delivers excellent performance in low-light environments

  • Wide 89° Diagonal Field of View – Captures more area for accurate analysis

  • Lightweight and Compact Design – Perfect for embedded or mobile imaging systems

  • Factory Pre-Set Focus – No additional adjustment required

  • High Compatibility – Suitable for a wide range of industrial and automation vision applications


Download Datasheet

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


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