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DSL491D-NIR-F2.8 – 14+ MP Miniature Wide-Angle Lens without IR Cutoff

Infrared-sensitive 14+ MP wide-angle lens with F/2.8 aperture, ideal for night-vision and scientific imaging applications.

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Product Number: 19637
Category: M12/M10/M8/M6 Mount Lens

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DSL491D-NIR-F2.8 - 14+ MP Miniature Wide-Angle Lens without IR Cutoff

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Product Summary

A 14+ MP wide-angle lens optimized for infrared-sensitive applications, offering high resolution and F/2.8 aperture.

The Sunex DSL491D-NIR-F2.8 is a 14+ Megapixel wide-angle lens designed for high-performance imaging in applications requiring infrared sensitivity. This lens features an EFL of 3.17mm, an F/2.8 aperture, and is built for M12 x 0.5 mount threads, making it highly versatile for miniature cameras. Unlike its IR-cut counterpart, this version does not include an IR filter, making it ideal for applications that benefit from extended infrared sensitivity, such as night-vision systems, scientific imaging, or infrared surveillance. With support for up to 1/2" sensors and an image circle of 7.8mm, this lens offers sharp, high-quality images even in low-light conditions, making it a flexible solution for a wide range of imaging needs.

DSL491D-NIR-F2.8 – 14+ MP Miniature Wide-Angle Lens without IR Cutoff Highlights

  • 14+ MP resolution
  • 3.17mm focal length
  • F/2.8 aperture
  • No IR-cut filter
  • M12 x 0.5 mount thread

Targeted Applications

  • Night Vision
  • Scientific Imaging
  • Infrared Surveillance

Product Specifications

ApertureAperture
2.8
Back Focal Length [mm]Back Focal Length [mm]
–
Distortion [%]Distortion [%]
'-7.7% from F-θ
Filter ThreadFilter Thread
M12x0.5
Focal Length [mm]Focal Length [mm]
3.17
Focus Type
Fixed focal
Field of View Diagonal [°]Field of View Diagonal [°]
–
Field of View Horizontal [°]Field of View Horizontal [°]
150
Field of View Vertical [°]Field of View Vertical [°]
–
Image Circle [mm]Image Circle [mm]
7.8
Filter TypeFilter Type
no IR-cut filter
Lens FeaturesLens Features
Wide Angle
ManufacturerManufacturer
Sunex
Material BarrelMaterial Barrel
Metal
Material LensesMaterial Lenses
–
Max. Chief Ray Angle [°]Max. Chief Ray Angle [°]
13
MountMount
M12
Product TypeProduct Type
Miniature Lens
Resolution [MP]Resolution [MP]
14
Sensor Size [inch/mm]Sensor Size [inch/mm]
1/2 inch
Target ApplicationTarget Application
–
Target SensorTarget Sensor
–
Total Track Length [mm]Total Track Length [mm]
24

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