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DSL331A-680-F2.6 Narrow Field of View Lens with 680nm IR Cut Filter

High-resolution narrow FOV lens with 19.8mm EFL, F2.6 aperture, and 680nm IR cut filter. Designed for precision imaging, supporting up to 6MP on 1/1.55" sensors.

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M12/M10/M8/M6 Mount Lens
DSL331A-680-F2.6 Narrow Field of View Lens with 680nm IR Cut Filter

2.6 · -1.68% · M16x0.5

Aperture
2.6
Distortion
-1.68%
Filter Thread
M16x0.5
Focal Length
19.84 mm

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Product no. 23789
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Product Overview

Narrow field of view lens with 680nm IR cut-off filter, optimized for high-resolution imaging.

The DSL331A-680-F2.6 from Sunex is a narrow FOV lens designed for high-resolution imaging applications. Featuring a 19.8mm effective focal length (EFL) and F/2.6 aperture, this lens is ideal for sensor formats up to 1/1.55" and supports up to 6MP resolution. The integrated 680nm IR cut filter ensures clear, accurate images by reducing unwanted infrared light. The metal barrel with an M16x0.5mm mount makes this lens suitable for demanding environments such as machine vision, surveillance, and industrial applications requiring high image clarity and narrow FOV.

Product Specifications

ApertureAperture
2.6
Back Focal Length [mm]Back Focal Length [mm]
–
Distortion [%]Distortion [%]
-1.68%
Filter ThreadFilter Thread
M16x0.5
Focal Length [mm]Focal Length [mm]
19.84
Focus Type
Fixed focal
Field of View Diagonal [°]Field of View Diagonal [°]
–
Field of View Horizontal [°]Field of View Horizontal [°]
25
Field of View Vertical [°]Field of View Vertical [°]
–
Image Circle [mm]Image Circle [mm]
10.3
Filter TypeFilter Type
IR cut-off at 680nm
Lens FeaturesLens Features
–
ManufacturerManufacturer
Sunex
Material BarrelMaterial Barrel
Metal
Material LensesMaterial Lenses
Glass
Max. Chief Ray Angle [°]Max. Chief Ray Angle [°]
17.3
MountMount
M16
Product TypeProduct Type
Miniature Lens
Resolution [MP]Resolution [MP]
6
Sensor SizeSensor Size
1/1.55 inch
Target ApplicationTarget Application
Automotive, Computer Vision and Robotics, Industrial
Target SensorTarget Sensor
–
Total Track Length [mm]Total Track Length [mm]
43.1

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DSL331A-680-F2.6 Narrow Field of View Lens with 680nm IR Cut Filter

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