

5.9mm 6MP M12 lens with 75° FOV, F1.6 aperture, <10% distortion and IR capability for CCTV and machine vision.
CCL12059MPF is a 5.9mm M12 low distortion lens. It is for 1/2″ sensors Aptina MT9M001, MT9T001 with large aperture F1.6 for low light IP camera. And it is a 6 Mega Pixel HD lens.
| IMAGE FORMAT | 1/2″ |
| FOCAL LENGTH | 5.9mm |
| F.O.V. | 75°(D) |
| 65°(H) | |
| 38° (V) | |
| RESOLUTION | 6 MP |
| APERTURE | F1.6 |
| DISTORTION | <-10% |
| MOUNT | M12 |
| IRIS | Fixed |
| FOCUS | Manual |
| ZOOM | Fixed |
| B.F.L. | 5.48mm |
| CONSTRUCTION | 4G2P+IR |
This 5.9mm M12 low distortion lens is designed for compact imaging systems that require high-resolution image capture, moderate wide-angle coverage, and strong low-light performance. Featuring a 1/2″ image format, 6MP resolution, 75° diagonal F.O.V., and a bright F1.6 aperture, the lens provides a balanced combination of image detail, scene coverage, and light-gathering capability. Its optical distortion of less than 10% provides a more controlled image perspective than extreme wide-angle lenses, while the M12 mount supports compact camera integration. The 5.48mm B.F.L. and manual fixed-focus configuration allow flexible integration into embedded camera modules. Designed for high-resolution security and intelligent vision applications, this lens is suitable for CCTV, smart security, robotics, machine vision, and other compact imaging systems requiring reliable optical performance.
For more M12 and compact board-camera solutions, explore TOWIN’s M12 Lenses.
6MP High-Resolution Imaging
The 6MP optical design supports detailed image capture for modern surveillance, embedded vision, and intelligent camera systems where clear image information is important.
Bright F1.6 Aperture
The F1.6 aperture provides strong light-gathering capability, helping maintain image brightness and detail in indoor environments, shaded areas, and other challenging lighting conditions.
Controlled Optical Distortion
With distortion below 10%, this lens provides a more controlled perspective than ultra-wide or fisheye lenses, making it suitable for applications where image geometry and object recognition are important.
75° Wide-Angle Coverage
The 75° diagonal field of view provides useful scene coverage while maintaining a relatively natural perspective, making it suitable for surveillance and intelligent vision systems.
Compact M12 Mount
The M12 mount allows the lens to be integrated into compact board cameras and embedded imaging modules where installation space is limited.
IR-Compatible Optical Design
The optical construction includes IR capability, supporting camera systems that require infrared imaging performance. This makes the lens suitable for applications that operate under changing illumination conditions.
Short B.F.L.
With a 5.48mm back focal length, the lens can be integrated into compact camera structures and provides flexibility during optical and mechanical system design.
CCTV & Security Cameras
The combination of 6MP resolution, F1.6 aperture, and 75° FOV makes this lens suitable for surveillance cameras requiring detailed image capture and good light-gathering performance.
Explore TOWIN’s Megapixel CCTV Lenses for additional compact surveillance optics.
Smart Security Systems
The bright F1.6 aperture and compact M12 configuration make this lens suitable for intelligent security cameras, indoor monitoring systems, access monitoring, and AI-enabled surveillance devices.
For application-specific optical solutions, see TOWIN’s Smart Security Solutions.
Machine Vision
The 6MP resolution and controlled distortion make this lens suitable for compact machine vision systems where reliable object imaging and moderate field coverage are required.
For industrial inspection requirements, explore TOWIN’s Machine Vision Solutions.
Robotics Vision
The 75° diagonal FOV provides a useful balance between environmental coverage and image perspective for robotic perception, object detection, and navigation systems.
Explore Robotics Vision Solutions for additional optical options.
Smart Traffic Monitoring
The combination of high resolution, relatively low distortion, and strong light transmission can support compact traffic-monitoring cameras and intelligent transportation imaging systems.
See TOWIN’s Smart Traffic Solutions for application-specific lens configurations.
Embedded AI Cameras
The compact M12 mount, 6MP resolution, and bright F1.6 aperture make this lens suitable for embedded AI cameras requiring reliable image information in a compact optical package.
Focal Length and Field of View
The 5.9mm focal length provides a 75° diagonal, 65° horizontal, and 38° vertical field of view. This configuration offers wider scene coverage than standard narrow-angle lenses while avoiding the extreme perspective associated with ultra-wide fisheye optics.
For more information about the relationship between focal length and FOV, visit TOWIN’s Lens Basics and use the FOV Calculator when evaluating a specific camera configuration.
Sensor Compatibility
The lens is designed for a 1/2″ image format and supports 6MP resolution. Correctly matching the lens image format with the camera sensor helps ensure complete image coverage and prevents unwanted vignetting.
See the Sensor Guide for more information about sensor and lens compatibility.
Distortion Consideration
With optical distortion below 10%, this lens provides a relatively controlled wide-angle image. It is suitable for many surveillance and intelligent vision applications, while applications requiring highly accurate dimensional measurement may benefit from a dedicated low-distortion lens.
For a deeper understanding of optical distortion, see TOWIN’s Distortion Guide.
Aperture and Low-Light Performance
The F1.6 aperture provides a strong light-gathering capability compared with slower optical systems. This can be beneficial for indoor surveillance, low-light environments, and cameras that need to maintain shorter exposure times.
IR Performance
The optical construction is specified with IR capability, making the lens suitable for systems that require infrared imaging. The exact wavelength performance should be evaluated according to the camera sensor and intended IR illumination source.
Focus and Working Distance
The lens uses manual focus and a fixed focal length. Focus can be adjusted during camera assembly to match the required working distance. System designers should evaluate the camera sensor size, object distance, object dimensions, and required FOV together when selecting the final configuration.
For additional guidance, see TOWIN’s Lens Selection Guide.
Q: What applications is this 5.9mm M12 low distortion lens suitable for?
A: This lens is suitable for CCTV surveillance, smart security, machine vision, robotics vision, smart traffic monitoring, and embedded AI camera systems that require 6MP resolution and moderate wide-angle coverage.
Q: What is the field of view of this M12 lens?
A: The lens provides a 75° diagonal FOV, 65° horizontal FOV, and 38° vertical FOV. This provides a balanced viewing range for surveillance and intelligent vision applications.
Q: Is this a low-distortion M12 lens?
A: The specified optical distortion is below 10%, providing a more controlled perspective than extreme wide-angle or fisheye lenses. However, applications requiring precision measurement may require a dedicated low-distortion lens.
Q: What sensor size is this lens compatible with?
A: This lens is designed for a 1/2″ image format and supports 6MP resolution. The camera sensor should be matched with the lens image format to ensure complete image coverage.
Q: Why is the F1.6 aperture useful?
A: The F1.6 aperture provides strong light-gathering capability, which can help maintain image brightness and detail in low-light or indoor environments and can support shorter exposure times.
Q: Is this lens suitable for infrared imaging?
A: Yes. The optical construction includes IR capability, making the lens suitable for camera systems that require infrared imaging. The final performance should be evaluated according to the required infrared wavelength and illumination configuration.
Q: Does this M12 lens have autofocus or zoom?
A: The lens uses manual focus and a fixed focal length. It does not provide optical zoom. Manual focusing allows the lens to be adjusted during camera assembly according to the required working distance.
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