

2.9mm M12 12MP wide angle fixed focal lens with F2.4 aperture, up to 113° FOV, IRCF, and support for 1/2.3″ and 1/3.2″ sensors.
S02912310224F is Low distortion Wide-angle 12-Megapixel M12 lens with IRCF, 1/2.3″ and 1/3.2″ sensors, F2.4 working in -20°C to +70°C temperature range.
| IMAGE FORMAT | 1/2.3″, 1/3.2″ |
| FOCAL LENGTH | 2.9mm |
| F.O.V. (1/2.3″, IMX392) | 113°(D=7.6) |
| 105°(H=6.62) | |
| 71°(V=3.73) | |
| F.O.V. (1/3.2″, AR1335) | 97°(D=5.76) |
| 84°(H=4.63) | |
| 67°(V=3.43) | |
| RESOLUTION | 12 MP |
| DISTORTION | <-1.5% |
| APERTURE | F2.4 |
| MOUNT | M12X0.5 |
| IRIS | Fixed |
| M.O.D. | 0.2m |
| STRUCTURE | With IRCF |
| WORKING TEMP. | -20°C~+70°C |
This 2.9mm M12 12MP wide angle lens is designed for compact imaging systems requiring high resolution and a broad field of view. Supporting 1/2.3″ and 1/3.2″ sensors, it delivers up to 113° diagonal FOV with a fixed F2.4 aperture and integrated IRCF.
The 2.9mm M12 12MP lens is suitable for compact cameras where both high resolution and wide scene coverage are required. Its 2.9mm focal length provides a broad viewing angle without using a variable-focus mechanism, making it suitable for fixed installation and embedded imaging systems.
With support for 1/2.3″ and 1/3.2″ sensor formats, the lens can be configured with different image sensors according to the camera architecture. When used with the 1/2.3″ IMX392, it provides a 113° diagonal FOV, 105° horizontal FOV, and 71° vertical FOV. With the 1/3.2″ AR1335, the FOV becomes 97° diagonal, 84° horizontal, and 67° vertical.
The 12MP optical configuration makes this lens suitable for applications that need to capture fine image details across a relatively wide scene. Its 0.2m MOD also allows imaging of subjects at comparatively short working distances.
Wide-Angle Machine Vision
The combination of 2.9mm focal length, high resolution, and broad FOV makes the lens suitable for machine vision systems that need to monitor a relatively large inspection area from a limited camera position.
Smart Security Cameras
The wide viewing angle can help compact surveillance cameras cover larger areas without requiring a long focal length. The fixed F2.4 aperture provides a simple and stable optical configuration for fixed-position security systems.
Embedded Vision Systems
The compact M12 x 0.5 interface makes the lens suitable for embedded cameras where installation space is limited. It can be integrated into compact vision modules, inspection equipment, and intelligent imaging devices.
Robotics and AI Vision
Wide-angle imaging can be useful for robotic perception systems that require a larger scene overview. The 12MP resolution provides additional image detail for downstream inspection and vision-processing tasks.
Short-Distance Imaging
With a 0.2m minimum object distance, the lens can be considered for compact imaging systems where the target is positioned relatively close to the camera.
Designed for wide-angle machine vision, compact security cameras, and embedded AI imaging applications.
For applications requiring additional lens selection based on sensor format and optical parameters, explore TOWIN’s M12 Lenses range.
For machine vision integration, see the Machine Vision solution page to compare lens requirements for different imaging systems.
Wide Field of View
With the 1/2.3″ IMX392 sensor, this 2.9mm lens provides:
With the 1/3.2″ AR1335 sensor:
The difference demonstrates why sensor format should be considered when selecting an M12 lens. The same 2.9mm focal length can produce significantly different image coverage when paired with different sensor sizes.
TOWIN’s Sensor Guide provides additional information about sensor format and lens compatibility.
12MP Resolution
The lens supports up to 12MP resolution, making it suitable for high-resolution compact imaging systems. When designing a camera around a 12MP sensor, optical resolution, sensor format, FOV, and mounting dimensions should all be considered together.
Fixed F2.4 Aperture
The F2.4 fixed aperture provides a stable optical configuration without requiring a mechanical iris adjustment. This is useful for compact camera modules where a simple and consistent optical structure is preferred.
M12 x 0.5 Mount
The M12 x 0.5 mounting interface is widely used in compact camera modules and embedded vision equipment. Its small mechanical footprint makes it suitable for systems where camera size is an important design consideration.
If you need to determine the appropriate focal length from a target FOV and sensor size, TOWIN’s Focal Length Calculator can assist with initial lens selection.
Q: What sensors are compatible with this 2.9mm M12 lens?
A: The lens is specified for 1/2.3″ and 1/3.2″ image formats, with FOV data provided for the IMX392 and AR1335 sensors respectively.
Q: What is the maximum resolution of this lens?
A: The lens is specified for 12MP resolution, making it suitable for high-resolution compact camera and vision applications.
Q: What is the FOV of the 2.9mm lens?
A: With a 1/2.3″ IMX392 sensor, the FOV is 113° diagonal, 105° horizontal, and 71° vertical. With a 1/3.2″ AR1335 sensor, it is 97° diagonal, 84° horizontal, and 67° vertical.
Q: Is this lens a fisheye lens?
A: No. Although the lens provides a wide FOV, its specified distortion is below -1.5%, so it should be treated as a wide angle lens rather than a fisheye lens based on the supplied optical specifications.
Q: Does this lens qualify as a low distortion lens?
A: No. The specified distortion is < -1.5%, which does not meet the low-distortion classification used for TOWIN’s dedicated low-distortion lens range. See the Distortion Guide for more information about lens distortion.
Q: Does “With IRCF” mean the lens is IR corrected?
A: No. “With IRCF” indicates that an IR cut filter is included in the lens structure. It does not by itself indicate optical IR correction across different wavelengths.
Q: What is the minimum object distance of this lens?
A: The specified minimum object distance is 0.2m, making it suitable for imaging applications where the camera is positioned relatively close to the target.
Q: What temperature range can this lens operate in?
A: The specified working temperature range is -20°C to +70°C, making it suitable for a range of indoor and controlled outdoor imaging environments.
For a broader selection of compact optical solutions, visit TOWIN’s Products catalog.
If your application requires a different field of view, sensor format, or focal length, review the Lens Selection Guide before choosing the optical configuration.
For customized M12 lens requirements, sensor matching, or OEM/ODM optical development, contact TOWIN through the Contact page.
Download Specs Sheet
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