Lensation 2.1mm S-Mount Lens – Model BT2120 (1/3″, F2.0, Wide Angle)

The Lensation Lensagon BT2120 is a high-intensity 2.1mm fixed lens designed for 1/3″ image sensors in machine vision and embedded vision systems. With its ultra-wide 151° diagonal field of view and compact S-mount design, it is ideal for space-constrained applications like robotics, smart surveillance, and IoT edge devices.

Product Specifications

• Model: Lensagon BT2120

• Manufacturer Part Number: AE.0059.2.20800.00

• Mount Type: S-Mount

• Sensor Compatibility: 1/3″

• Focal Length: 2.1 mm

• Aperture (F No.): F2.0 (Fixed)

• Minimum Object Distance (MOD): 0.2 m

• Back Focal Length: 4.92 mm

• Image Circle: Ø6.1 mm

• IR Cut Filter: None

• Distortion: -60%

• Weight: 7 g

• Focus & Iris: Fixed

• Lens Type: Standard Wide Angle

• Chief Ray Angle (CRA): Max. 12.3°

Field of View (Angle)

• Diagonal (D): 151°

• Horizontal (H): 125.5°

• Vertical (V): 95.6°

Key Benefits

• Ultra-Wide Field of View: 151° diagonal FoV for comprehensive scene coverage

• Compact & Lightweight: Weighs only 7g, perfect for embedded systems and space-limited setups

• Fixed Focus and Iris: Robust setup for stable and reliable imaging

• High Optical Clarity: Engineered for sharp images even at wide angles

• Compatible with Various Systems: Designed for industrial cameras with S-Mount and 1/3″ sensors

Download Datasheet

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

• Click here to download BT2120 Datasheet (Insert correct URL to file once hosted)

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