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