Low Distortion Lens – M804312706624F

M804312706624F is Low distortion CCTV lens with Built-In IR Filter, 76° 1/2.7″ M8x0.35 mount, F2.4 aperture, Suitable for security Surveillance.

4.3mm M8 Miniature Wide Angle Low Distortion Lens

The 4.3mm M8 low distortion wide angle lens is a compact fixed focal lens designed for miniature camera systems requiring controlled distortion, broad scene coverage, and close-range imaging. With a 76° diagonal FOV, <0.3% TV distortion, 7mm TTL, and a 0.1m minimum object distance, it is well suited to compact embedded cameras, short-range visual sensing, and space-constrained imaging equipment.

M8 Low Distortion Lens Highlights

• 76° diagonal FOV provides broad coverage for compact camera applications.
• <0.3% TV distortion maintains controlled image geometry across the frame.
• 0.1m M.O.D. supports close-range imaging of nearby objects and equipment.
• 7mm TTL enables highly compact optical integration.
• M8 × 0.35 mount is suitable for miniature camera modules and embedded devices.

4.3mm M8 Low Distortion Lens Applications

Core Application Scenes

This 4.3mm M8 low distortion lens is designed for compact imaging applications where the camera must operate close to the target while maintaining a relatively broad field of view. Its 0.1m minimum object distance makes it particularly useful for short-range visual monitoring, while the 76° diagonal FOV allows a compact camera to capture a substantial portion of the surrounding scene.

The lens is well suited to embedded vision modules, compact inspection cameras, smart sensing devices, robotic observation units, and miniature monitoring equipment. Its <0.3 % TV distortion preserves well‑controlled image geometry, an advantage for object recognition, visual positioning, and basic image analysis working off captured images.

A key characteristic of this model is its 7mm total track length. Against longer miniature lens assemblies, its compact optical length eases integration into thin camera housings and electronic devices with limited installation depth. Combined with the M8 × 0.35 mounting interface, this makes the lens suitable for applications where both optical coverage and mechanical compactness are important.

The 0.1m M.O.D. also provides flexibility for applications involving nearby objects, such as equipment status monitoring, compact device observation, robotic near-field sensing, and short-distance visual inspection.

Designed for compact near-field imaging systems requiring wide coverage, low distortion, and a short optical package.

Compatible Device List

• Compact Embedded Cameras: Suitable for miniature camera modules using 1/2.7″ sensors and requiring a compact 4.3mm optical solution.
• Near-Field Vision Modules: The 0.1m M.O.D. supports imaging of objects positioned relatively close to the camera.
• Robotic Sensing Devices: The 76° diagonal FOV can help compact robots monitor nearby objects and operating areas.
• Smart IoT Cameras: The M8 × 0.35 mount and 7mm TTL are suitable for small connected-camera and embedded sensing designs.
• Compact Monitoring Equipment: Controlled distortion helps preserve image geometry in short-range monitoring applications.
• Custom Miniature Camera Assemblies: The compact mechanical profile can be integrated into customized optical housings where installation depth is restricted.

For additional miniature optical configurations, see Towin’s M8/M7/M6/M5/M3.5 Small Mount Lenses. The broader Other Mount Lenses category provides additional mounting options for customized camera designs.

Lens Selection & Field of View

For compact camera development, the relationship between sensor format, focal length, and field of view is important. This 4.3mm lens provides a 76° diagonal FOV on a 1/2.7″ sensor, offering a balance between wide scene coverage and controlled geometric distortion.

Engineers can use Towin’s Sensor Guide to evaluate sensor and image-format compatibility. The Lens Selection Guide provides further guidance on selecting focal length, resolution, field of view, and other lens parameters.

For projects where the required viewing area needs to be calculated from working distance and sensor dimensions, the FOV Calculator can help estimate the expected coverage. When the focal length is not yet determined, the Focal Length Calculator can be used to evaluate focal-length requirements.

Optical Design Considerations

The combination of 4.3mm focal length, 76° diagonal FOV, and <0.3% TV distortion gives this lens a different optical balance from fisheye designs. Instead of prioritizing extreme angular coverage, the lens provides a moderately wide viewing angle while maintaining controlled geometric distortion.

The 4P + IRCF construction is designed for compact camera integration. IRCF refers to an infrared cut filter and should not be interpreted as an IR-corrected optical design. Therefore, per its published specifications, this product qualifies as both a Low Distortion Lens and Wide Angle Lens — not an IR Corrected Lens.

Frequently Asked Questions

Q: What type of lens is the 4.3mm M8 lens?
A: It is a miniature M8 fixed focal wide angle lens with a 4.3mm focal length, 76° diagonal FOV, and TV distortion below 0.3%.

Q: Is this lens a fisheye lens?
A: No. The lens provides a 76° diagonal field of view while maintaining TV distortion below 0.3%. It is better classified as a low distortion wide angle lens rather than a fisheye lens.

Q: What sensor format is this lens designed for?
A: The specified image format is 1/2.7″, with the stated field of view based on this sensor format.

Q: What is the field of view of the 4.3mm lens?
A: The lens provides approximately 76° diagonal, 66° horizontal, and 40° vertical field of view.

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

Q: What is the advantage of the 7mm TTL?
A: A 7mm total track length allows the optical assembly to remain highly compact, which can simplify integration into thin camera housings and space-constrained embedded devices.

Q: What does IRCF mean in this lens specification?
A: IRCF means infrared cut filter. It filters infrared wavelengths in visible-light camera applications. It does not indicate that the lens has an IR-corrected optical design.

Q: Can this M8 lens be customized for a specific camera module?
A: Customization can be evaluated based on sensor format, focal length, field of view, mounting thread, housing dimensions, and other optical or mechanical requirements. For project-specific requirements, contact Towin through the Contact page.

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