

The 2.5mm 5MP M12 ultra wide angle lens delivers a 170° diagonal FOV, F2.8 fixed aperture, and compact M12x0.5 mount. Featuring an integrated 850nm filter, it is designed for compact monitoring, embedded vision, robotics, and near-infrared imaging systems using 1/2.5″ sensors.
CCL125025MPFR 2.5mm 5MP M12 ultra wide angle lens with 170° FOV
| IMAGE FORMAT | 1/2.5″ |
| FOCAL LENGTH | 2.5mm |
| F.O.V. | 170°(D) |
| 130°(H) | |
| 98°(V) | |
| RESOLUTION | 5 MP |
| DISTORTION | <-68% |
| APERTURE | F2.8 |
| MOUNT | M12x0.5 |
| IRIS | Fixed |
| M.O.D. | 0.2m |
| T.T.L. | 22.80mm |
| DIMENSION | Φ17.5×16.45mm |
| LENS COMPONENT | 6G+850nm filter |
This 2.5mm 5MP M12 Wide Angle Lens is designed for applications requiring an exceptionally wide field of view in a compact optical package. With a 170° diagonal FOV, F2.8 fixed aperture, M12x0.5 mount, and 850nm filter, it provides broad scene coverage for embedded cameras, monitoring systems, robotics, and near-infrared imaging applications.
The 1/2.5″ optical format supports 5MP imaging, while the 0.2m minimum object distance allows the lens to capture relatively close scenes with extensive coverage. Its compact Φ17.5 × 16.45mm mechanical design makes it suitable for space-constrained camera systems.
The extremely wide 170° FOV makes this lens particularly suitable for systems that need to monitor a large area from a short installation distance. The 2.5mm focal length can help reduce blind spots in compact camera installations while maintaining a practical 5MP imaging capability.
For embedded vision, the M12x0.5 mount and Φ17.5 × 16.45mm compact form factor make the lens suitable for small camera housings where installation space is limited. It can be integrated into compact monitoring cameras, robotics cameras, smart devices, and other embedded imaging equipment.
The 850nm filter also makes this lens relevant to near-infrared imaging systems operating around the 850nm wavelength. It can be considered for applications such as IR-assisted monitoring, machine-assisted observation, compact security cameras, and specialized embedded vision equipment where 850nm optical filtering is required.
Compatible devices include: compact M12 camera modules, embedded vision cameras, smart monitoring cameras, robotics cameras, IR imaging modules, and other 1/2.5″ sensor-based imaging systems.
For selecting an appropriate sensor and lens combination, TOWIN’s Sensor Guide can help engineers evaluate sensor format compatibility, while the Lens Selection Guide can be used to compare focal length, FOV, and other optical parameters.
Q: What is the field of view of this 2.5mm M12 lens?
A: This lens provides an extremely wide field of view of 170° diagonal, 130° horizontal, and 98° vertical, making it suitable for applications requiring extensive scene coverage.
Q: Is this a fisheye lens?
A: The lens provides a 170° diagonal FOV and therefore offers extremely wide-angle coverage. However, the supplied specifications do not explicitly identify it as a fisheye optical design, so it is more appropriately positioned as an ultra-wide-angle M12 lens.
Q: Does the 850nm filter mean this lens is IR corrected?
A: No. An 850nm filter is an optical filtering configuration and should not be interpreted as an IR-corrected optical design. IR correction refers to optical optimization that maintains focus and image quality across visible and infrared wavelengths.
Q: What sensor size is compatible with this lens?
A: The specified image format is 1/2.5″, making the lens suitable for camera systems using a compatible 1/2.5″ sensor format.
Q: What applications benefit from a 170° wide-angle lens?
A: A 170° lens is useful for applications requiring very broad scene coverage, including compact monitoring systems, embedded cameras, robotics, smart devices, and specialized near-infrared imaging equipment.
Q: What is the mount type of this lens?
A: The lens uses an M12x0.5 mount, making it suitable for compatible M12 camera modules and compact embedded imaging systems.
Q: What is the minimum object distance?
A: The minimum object distance is 0.2m, allowing the lens to be used for relatively close-range imaging while maintaining its very wide scene coverage.
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