

2.7mm 3MP M12 ultra-wide angle lens with 148.5° diagonal FOV, 127° horizontal FOV, F2.0 aperture and IR Cut for compact CCTV and security cameras.
CCL12802720MPF 2.7mm 3MP M12 ultra-wide angle lens with 148.5° FOV
| IMAGE FORMAT | 1/2.8″ |
| FOCAL LENGTH | 2.7mm |
| F.O.V.(IMX290) | 148.5°(D) |
| 127°(H) | |
| 66°(V) | |
| RESOLUTION | 3 Megapixel |
| APERTURE | F2.0 |
| MOUNT | M12X0.5 |
| IRIS | Fixed |
| FOCUS | Manual |
| ZOOM | Fixed |
| B.F.L. | 5.45mm |
| DIMENSION | Φ17.4×15.78mm |
| M.O.D. | 0.2m |
| CONSTRUCTION | 6G+IR cut |
This 2.7mm 3MP M12 ultra-wide angle lens is designed for compact camera systems that require exceptionally broad scene coverage from a 1/2.8″ image format. When paired with the specified IMX290 sensor, it delivers a 148.5° diagonal FOV, 127° horizontal FOV, and 66° vertical FOV, making it suitable for applications where maximizing horizontal viewing coverage is a key requirement.
With an F2.0 aperture, M12X0.5 mount, 0.2m minimum object distance, and compact 21.67mm total track length, the lens provides a practical optical solution for embedded cameras and short-range monitoring systems. Its 6G + IR Cut construction is suited to visible-light camera designs that require controlled infrared transmission.
The defining characteristic of this lens is its 127° horizontal field of view. This makes it particularly suitable for camera positions where a broad horizontal scene must be captured from a relatively short distance.
Compared with a conventional standard-angle lens, the 2.7mm focal length can cover a substantially wider scene, helping camera designers capture more of the surrounding environment without significantly increasing camera size.
Typical applications include:
The 0.2m minimum object distance also makes the lens suitable for relatively close-range scenes. This can be useful for cameras installed near entrances, counters, access points, or other locations where subjects may approach the camera closely.
The integrated IR Cut configuration is appropriate for visible-light camera systems where infrared transmission needs to be controlled to support normal daytime imaging.
This lens is designed for 1/2.8″ camera sensors with an M12X0.5 interface, with the supplied FOV specification referenced to the IMX290 sensor. Compatible equipment can include compact CCTV cameras, indoor security cameras, smart building cameras, IoT camera modules, entrance-monitoring cameras, retail surveillance systems, and embedded wide-angle camera devices.
When selecting a lens for a specific sensor, use the Sensor Guide to evaluate sensor compatibility and the FOV Calculator to estimate the expected viewing coverage.
For additional M12 optical configurations, explore the M12 Lenses range. For customized focal length, FOV, sensor coverage, or mechanical requirements, Contact TOWIN.
Q: What type of lens is the 2.7mm 3MP lens?
A: It is a fixed focal M12 ultra-wide angle lens with a 2.7mm focal length, 3MP resolution, and a 148.5° diagonal field of view.
Q: What is the horizontal FOV of this M12 lens?
A: The lens provides a 127° horizontal FOV, making it suitable for applications requiring broad horizontal scene coverage.
Q: Which sensor is the FOV specification based on?
A: The supplied FOV specification is identified as being based on the IMX290 sensor.
Q: What image format does this lens support?
A: The lens is specified for a 1/2.8″ image format and is therefore intended for compatible 1/2.8″ camera sensors.
Q: Is this lens a fisheye lens?
A: Although its 148.5° diagonal FOV is extremely wide, the supplied specifications do not identify the lens as a fisheye design. It is therefore better positioned as an ultra-wide angle M12 lens.
Q: What is the difference between IR Cut and IR Corrected?
A: IR Cut controls infrared transmission to support visible-light imaging, while IR correction refers to optical optimization across visible and infrared wavelengths. This product is specified with IR Cut and should not automatically be classified as an IR corrected lens.
Q: Is the lens suitable for CCTV applications?
A: Yes. Its 3MP resolution, 1/2.8″ format, 127° horizontal FOV, compact M12X0.5 mount, and 0.2m minimum object distance make it suitable for various compact CCTV and security camera designs.
Q: Can the 2.7mm lens be used for close-range monitoring?
A: Yes. The 0.2m minimum object distance and ultra-wide FOV make it suitable for close-range scenes where broad coverage is required.
Download Specs Sheet
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| SENSOR | |
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| E.F.L. | |
| H. F.O.V. | |
| FNo. | |
| IRIS | |
| MOUNT | |
| RESOLUTION | |
| T.T.L.(mm) | |
| FEATURE | |
| MARK |
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