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Lensation Lens, BM2820, 2.8 mm, 1/3″

$ 100.51

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Lensation BM2820 – Ultra-Wide 2.8 mm S-Mount Lens for 1/3″ Sensors

The Lensation BM2820 is a compact and bright S-Mount (M12) wide-angle lens designed for image sensors up to 1/3″ format with resolution under 1 megapixel. Engineered for space-constrained systems, this lens delivers an impressive 122° diagonal field of view and high light throughput — ideal for embedded and machine vision applications.


Product Specifications

  • Model: BM2820

  • Brand: Lensation

  • Mount Type: S-Mount (M12)

  • Focal Length: 2.8 mm

  • Aperture: F2.0 (Fixed Iris)

  • Sensor Compatibility: Up to 1/3″ format

  • Field of View:

    • Diagonal: 122°

    • Horizontal: 98°

    • Vertical: 73°

  • Minimum Object Distance (MOD): 0.2 m

  • Back Focal Length: 5.29 mm

  • IR Correction: Yes

  • Optical Distortion: -40% (Barrel Distortion)

  • Focus: Fixed

  • Weight: 5.2 g


Key Benefits

  • Ultra-Wide Angle Coverage – 122° diagonal FoV

  • Bright F2.0 Aperture – Optimized for low-light imaging

  • IR-Corrected Optics – Reliable performance in both visible and NIR lighting

  • Lightweight & Compact – Perfect for embedded vision, robotics, and surveillance

  • Fixed Focus & Iris – Ensures stable and maintenance-free operation


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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