DSL401A-660-F2.8 4K Low-Distortion Lens – Day/Night Optimized Lens
4K low-distortion wide-angle lens with 3.2mm EFL, F2.8 aperture, and 660nm IR cut filter. Designed for day/night imaging on 1/2" sensors with a 92° HFOV.
Product Overview
Low-distortion 4K lens with IR cut-off for day/night imaging, supporting 1/2″ sensors with a 92° HFOV.
The Sunex DSL401A-660-F2.8 is a 4K lens designed for low-distortion imaging in day/night environments, supporting up to 1/2" sensors. With an effective focal length of 3.2 mm and an aperture of F/2.8, this lens delivers exceptional clarity and wide field-of-view (92° HFOV) while minimizing image distortion. Its IR cut-off filter at 660 nm ensures accurate color reproduction during daylight conditions, making it ideal for high-resolution surveillance, machine vision, and industrial imaging applications. The durable M12x0.5 threaded mount provides stability for long-term use in demanding environments, while the 8 mm image circle ensures optimal sensor coverage.
Product Specifications
-
Aperture
- 2.8
-
Back Focal Length [mm]
- –
-
Distortion [%]
- 29
-
Filter Thread
- M12x0.5
-
Focal Length [mm]
- 3.2
- Focus Type
- Fixed focal
-
Field of View Diagonal [°]
- –
-
Field of View Horizontal [°]
- 92
-
Field of View Vertical [°]
- –
-
Image Circle [mm]
- 8
-
Filter Type
- IR cut-off at 660nm
-
Lens Features
- Low Distortion
-
Manufacturer
- Sunex
-
Material Barrel
- –
-
Material Lenses
- –
-
Max. Chief Ray Angle [°]
- –
-
Mount
- M12
-
Product Type
- Miniature Lens
-
Resolution [MP]
- 8
-
Sensor Size
- 1/2 inch
-
Target Application
- –
-
Target Sensor
- –
-
Total Track Length [mm]
- –
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