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DSL181B-NIR-F2.2 Tailored Distortion Fisheye Lens

Near-infrared fisheye lens, 1.25mm EFL, F2.2 aperture, no IR cut filter for enhanced NIR sensitivity. Supports up to 2MP resolution for 1/3.2" sensors.

DSL255A-NIR-F2.0 Miniature Fisheye Lens

Product Number: 17670
Category: M12/M10/M8/M6 Mount Lens

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DSL181B-NIR-F2.2 Tailored Distortion Fisheye Lens

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Product Summary

Sunex M12 Fixed Focal Lens, EFL 1.25mm: A small yet powerful lens with an EFL of 1.25mm, supporting 2MP resolution, ideal for up to 1/3.2 inch image circles, designed without an IR-cut filter for comprehensive light capture.

The DSL181B-NIR-F2.2 is a miniature fisheye lens optimized for near-infrared imaging, designed for 1/3.2” sensors. This lens does not include an IR cut filter, ensuring high sensitivity to near-infrared light. It features an effective focal length (EFL) of 1.25 mm and a fast aperture of F/2.2, making it suitable for capturing wide-angle images in near-infrared environments. Built with an M12x0.5 slipfit threading and a durable metal barrel, the DSL181B-NIR-F2.2 is compatible with the CMT168, providing versatility for various imaging setups. The 4.8 mm image circle supports up to 2 MP resolution, making it perfect for high-precision near-infrared imaging tasks. Key Features: Miniature fisheye lens without IR cut filter, designed for 1/3.2” sensors. Effective focal length of 1.25 mm. Fast aperture of F/2.2. M12x0.5 slipfit threading. Metal barrel construction. Image circle: 4.8 mm. Technical Specifications: EFL: 1.25 mm. F/2.2 aperture. Up to 2 MP resolution. Image circle: 4.8 mm. No IR-cut filter. The DSL181B-NIR-F2.2 is ideal for near-infrared imaging tasks that require high sensitivity and wide-angle views.

DSL181B-NIR-F2.2 Tailored Distortion Fisheye Lens Highlights

  • 1.25 mm focal length
  • F/2.2 aperture
  • No IR cut filter
  • Supports up to 2 MP
  • Slipfit M12x0.5 design

Targeted Applications

  • Surveillance
  • Robotics
  • Automotive Vision

Product Specifications

ApertureAperture
2.2
Back Focal Length [mm]Back Focal Length [mm]
–
Distortion [%]Distortion [%]
'+15 f-θ
Filter ThreadFilter Thread
M12x0.5
Focal Length [mm]Focal Length [mm]
1.25
Focus Type
Fixed focal
Field of View Diagonal [°]Field of View Diagonal [°]
–
Field of View Horizontal [°]Field of View Horizontal [°]
190
Field of View Vertical [°]Field of View Vertical [°]
–
Image Circle [mm]Image Circle [mm]
4.8
Filter TypeFilter Type
no IR-cut filter
Lens FeaturesLens Features
Fisheye, Tailored Distortion
ManufacturerManufacturer
Sunex
Material BarrelMaterial Barrel
Metal
Material LensesMaterial Lenses
–
Max. Chief Ray Angle [°]Max. Chief Ray Angle [°]
15
MountMount
M12
Product TypeProduct Type
Miniature Lens
Resolution [MP]Resolution [MP]
2
Sensor Size [inch/mm]Sensor Size [inch/mm]
1/3.2 inch
Target ApplicationTarget Application
Automotive, Consumer, Security
Target SensorTarget Sensor
–
Total Track Length [mm]Total Track Length [mm]
16.5

Accessories

CMT168-1122F Precision Mount

CMT168-1122F Precision Mount

Mount by Sunex, M12x0.5: A plastic mount with an M12x0.5 thread, 7.75mm in height, and an 18mm square footprint. It has a 22mm mount hole spacing and a 16mm square sensor pocket for precision mounting. No locating pins are included.

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