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DSL181B-650-F2.2 Fisheye Lens with IR Cut-Off

Miniature fisheye lens, 1.25mm EFL, F2.2 aperture, with IR cut-off at 650nm. Supports up to 2MP resolution, ideal for wide-angle visible light imaging.

Product Number: 17671
Category: M12/M10/M8/M6 Mount Lens
Tags: m12|Sunex

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DSL181B-650-F2.2 Fisheye Lens with IR Cut-Off
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Product Summary

Sunex M12 Fixed Focal Lens, EFL 1.25mm: Features a back focal length of 1.5mm and an IR cut-off at 650 nm, supporting 2MP imaging for controlled environments where infrared needs to be minimized.

DSL181B-650-F2.2 Fisheye Lens with IR Cut-Off Highlights

  • 1.25 mm focal length
  • F/2.2 aperture
  • IR cut-off at 650 nm
  • Supports up to 2 MP resolution
  • Tailored distortion design

Targeted Applications

  • Color Imaging
  • Surveillance
  • Automotive Vision

Product Specifications

ApertureAperture

2.2

Back Focal Length [mm]Back Focal Length [mm]

1.5

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

IR cut-off at 650nm

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


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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.


Description

The DSL181B-650-F2.2 is a miniature fisheye lens optimized for 1/3.2" sensors, featuring tailored distortion and a fast aperture of F/2.2. This lens includes an IR cut filter at 650 nm, blocking infrared light for improved image quality in visible light environments. With an effective focal length (EFL) of 1.25 mm, the DSL181B-650-F2.2 is designed for wide-angle imaging tasks. It has an M12x0.5 slipfit metal barrel for durability and easy integration into imaging systems. Compatible with the CMT168, this lens supports up to 2 MP resolution with a 4.8 mm image circle, making it ideal for high-resolution fisheye imaging tasks requiring infrared filtering. Key Features: Miniature fisheye lens with IR cut filter at 650 nm 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. IR cut-off at 650 nm. The DSL181B-650-F2.2 is ideal for high-resolution fisheye imaging tasks requiring infrared filtering and wide-angle views.


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