Low Distortion Lens – S03512808120F

S03512808120F is Low distortion 2-Megapixel 1/2.8″ M12/S-Mount Wide-angle CCTV Lens with Built-In Filter, 89° F2.0 for Security Surveillance.

3.5mm M12 Low Distortion Lens

This 3.5mm M12 wide angle lens is designed for 1/2.8″ sensors such as the Sony IMX290, delivering an 89° diagonal FOV with 2MP resolution and less than 1% TV distortion. Its compact M12x0.5 mount, fixed F2.0 aperture, and 0.1m minimum object distance make it well suited for compact embedded cameras, smart security devices, robotics vision, and other space-constrained imaging systems.

For applications requiring a compact lens matched to an embedded camera module, see Towin’s full range of M12 Lenses. For help understanding sensor compatibility, the Sensor Guide provides additional technical guidance.

Product Highlights at a Glance

• 3.5mm wide-angle focal length with an 89° diagonal FOV on IMX290.
• <1% TV distortion for more natural image geometry.
• 2MP optical performance optimized for 1/2.8″ image sensors.
• Compact M12x0.5 mount for embedded and space-constrained camera designs.
• Fixed F2.0 aperture and 0.1m M.O.D. for consistent near-field imaging.

3.5mm M12 Low Distortion Lens Applications

Core Application Scenes

This 3.5mm M12 low distortion lens is designed for compact camera systems that need a relatively wide viewing angle without the strong geometric deformation associated with fisheye optics. Its 89° diagonal FOV and <1% TV distortion make it suitable for applications where a broad scene must remain visually well controlled.

• Smart security cameras: The wide field of view helps compact surveillance cameras cover entrances, corridors, small rooms, and other confined monitoring areas while maintaining controlled image geometry.
• Embedded vision systems: The M12x0.5 interface and 16.4mm TTL make this lens suitable for compact camera modules integrated into smart devices, edge-AI equipment, and embedded vision platforms.
• Robotics vision: The 89° diagonal FOV can provide a broad visual field for mobile robots and compact robotic platforms operating in indoor environments, helping perception systems capture surrounding objects and obstacles.
• Access and facility monitoring: The 0.1m minimum object distance supports relatively close-range imaging, making the lens practical for compact monitoring equipment installed near doors, equipment panels, counters, or access points.
• Compact industrial cameras: The fixed F2.0 aperture and low-distortion optical design provide a stable imaging configuration for space-limited inspection or monitoring modules where mechanical simplicity is important.

Designed for compact wide-angle embedded vision, smart security, and robotics imaging applications.

Compatible Device List

• Image Sensors: Optimized for 1/2.8″ sensors, including the Sony IMX290 class of 2MP CMOS sensors.
• Camera Modules: Suitable for compact board cameras and embedded camera modules using an M12x0.5 lens interface.
• Robotic Vision Devices: Compatible with compact vision modules used in mobile robots, indoor robots, and edge-AI platforms.
• Smart Security Equipment: Suitable for compact IP camera modules, access monitoring devices, and indoor surveillance systems.
• Customization: Towin can support optical and mechanical customization for OEM/ODM camera projects requiring specific FOV, housing, mounting, or optical configurations.

For projects involving camera-lens matching and field-of-view requirements, the FOV Calculator can help estimate the required viewing coverage. You can also review the Lens Selection Guide when selecting a lens according to sensor size, focal length, FOV, and application requirements.

Frequently Asked Questions

Q: What sensor size is this 3.5mm M12 lens designed for?
A: This lens is designed for 1/2.8″ image sensors and provides the specified 89° diagonal FOV when paired with the Sony IMX290.

Q: What is the field of view of this M12 lens?
A: With the IMX290 sensor, the lens provides an 89° diagonal FOV, 81° horizontal FOV, and 51° vertical FOV.

Q: Is this lens a low distortion lens?
A: Yes. The specified TV distortion is less than 1%, making it suitable for imaging applications where controlled geometric distortion is important.

Q: Is this a fisheye lens?
A: No. Although it provides a relatively wide 89° diagonal FOV, its <1% TV distortion indicates a controlled wide-angle optical design rather than a fisheye lens.

Q: What type of mount does this lens use?
A: It uses an M12x0.5 mount, a common interface for compact embedded camera modules and small-form-factor vision systems.

Q: What applications are suitable for this 3.5mm lens?
A: Typical applications include compact smart security cameras, embedded vision systems, robotics vision, access monitoring, and space-constrained camera modules.

Q: What is the minimum object distance of this lens?
A: The specified minimum object distance is 0.1m, making it suitable for relatively close-range imaging applications.

Q: Does Towin provide customized M12 lens solutions?
A: Yes. Towin supports OEM/ODM optical and mechanical customization for projects with specific sensor, FOV, housing, mounting, or application requirements. For project-specific requirements, please contact Towin.

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