

4.2mm 8MP M12 wide-angle lens with 83° FOV, F2.8 aperture, 0.2m M.O.D., M12 × 0.5 mount and 7G optical construction.
CCL125043MP Low distortion wide angle 1/2.5“ 4.2mm 66° M12 mount lens for UAV drone with HD 5MP
| IMAGE FORMAT | 1/2.5“ |
| FOCAL LENGTH | 4.2mm |
| F.O.V. | 83°(D) |
| 66°(H) | |
| 49°(V) | |
| RESOLUTION | 8 MP |
| DISTORTION | <3.8% |
| APERTURE | F2.8 |
| MOUNT | M12x0.5 |
| IRIS | Fixed |
| M.O.D. | 0.2m |
| T.T.L. | 25.1mm |
| B.F.L. | 8.13mm |
| CONSTRUCTION | 7G |
This 4.2mm M12 lens is designed for compact imaging systems requiring 8MP high-resolution imaging, broad field coverage, and a fixed focal length. Featuring a 1/2.5″ image format, 83° diagonal FOV, 66° horizontal FOV, and 49° vertical FOV, it provides a practical wide-angle perspective for monitoring and embedded vision applications. With an F2.8 fixed aperture, 0.2m M.O.D., and 25.1mm TTL, this 4.2mm M12 lens offers a balanced optical configuration for compact camera systems. Its 7G optical construction provides a multi-element design for high-resolution imaging, while the M12 × 0.5 mount supports integration into small camera modules. Designed for smart security, embedded vision, industrial monitoring, and compact camera applications, this lens provides consistent imaging with 8MP resolution and a broad field of view.
The 83° diagonal FOV and 66° horizontal FOV provide broad scene coverage for compact monitoring cameras. The 4.2mm focal length offers a wider perspective than standard longer-focal-length lenses while avoiding the extreme field of view associated with fisheye optics.
This lens can be considered for:
For additional compact optical solutions, explore TOWIN’s M12 Lens portfolio.
The combination of 8MP resolution, M12 × 0.5 mounting, fixed F2.8 aperture, and 1/2.5″ image format makes this lens suitable for embedded camera platforms where a fixed field of view is preferred.
Potential compatible devices include:
When matching the lens to a specific image sensor, TOWIN’s Sensor Guide can help with sensor and optical compatibility considerations.
The 4.2mm focal length provides a relatively broad viewing angle, making the lens suitable for monitoring equipment, production areas, and enclosed industrial environments. The 8MP resolution can provide additional image detail for systems that require high-resolution visual information.
For more advanced industrial imaging requirements, explore TOWIN’s Machine Vision solutions.
The broad 83° diagonal FOV can help compact cameras capture a larger surrounding area, making this lens suitable for embedded vision modules used in robotics and automated equipment.
The fixed focal design is particularly useful when the camera position and required viewing angle remain consistent across installations. For robotics-specific imaging applications, see TOWIN’s Robotics Vision solutions.
This lens provides a practical balance between 8MP resolution, wide-angle coverage, compact camera integration, and fixed optical performance. Its 4.2mm focal length delivers an 83° diagonal FOV, while the 1/2.5″ image format supports high-resolution camera configurations.
The 7G construction provides a multi-element optical configuration, while the M12 × 0.5 mount makes the lens suitable for compact camera assemblies. With a 25.1mm TTL and 8.13mm B.F.L., the lens can be evaluated for camera designs with defined mechanical integration requirements.
For applications where field of view needs to be calculated according to sensor size and working distance, use TOWIN’s FOV Calculator.
Q: What type of lens is the 4.2mm lens?
A: It is a 4.2mm fixed focal M12 lens designed for 1/2.5″ image formats and 8MP resolution.
Q: What is the field of view of this M12 lens?
A: The lens provides an 83° diagonal FOV, 66° horizontal FOV, and 49° vertical FOV.
Q: Is this lens suitable for 8MP cameras?
A: Yes. The lens is specified with 8MP resolution and a 1/2.5″ image format for compatible high-resolution camera systems.
Q: Is the 4.2mm M12 lens a low distortion lens?
A: The specified distortion is less than 3.8%. This product should therefore be selected based on its overall FOV, resolution, and application requirements rather than positioned specifically as a low-distortion lens.
Q: What mount does this lens use?
A: The lens uses an M12 × 0.5 mount, making it suitable for compact embedded camera modules and small imaging devices.
Q: What is the minimum object distance?
A: The specified M.O.D. is 0.2m, allowing the lens to be used for relatively close-range monitoring and imaging applications.
Q: What are the B.F.L. and TTL of this lens?
A: The lens has a specified 8.13mm B.F.L. and 25.1mm TTL, which should be considered when designing the mechanical interface between the lens and camera module.
Q: Can TOWIN customize an M12 lens for a specific camera system?
A: TOWIN can evaluate requirements including sensor format, focal length, FOV, distortion, mount, and mechanical dimensions. For project-specific optical requirements, Contact TOWIN.
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