

25mm M12 8MP low distortion lens for 1/1.7″ sensors, featuring <0.4% TV distortion, F1.6 aperture, and 0.3m M.O.D. for high-resolution vision.
S25023002014F IS Low-distortion 8-Megapixel CCTV lens with Built-In IR Filter, 1/1.7″ 25mm M12/S-mount, F1.6 Aperture, for security surveillance.
| IMAGE FORMAT | 1/1.7″ |
| FOCAL LENGTH | 25mm |
| F.O.V. (AR0821) | 21°(D=9.28) |
| 18°(H=8.08) | |
| 10°(V=4.55) | |
| RESOLUTION | 8MP |
| TV DISTORTION | <0.4% |
| APERTURE | F1.6 |
| MOUNT | M12x0.5 |
| IRIS | Fixed |
| M.O.D. | 0.3m |
| T.T.L. | 29.80mm |
| CONSTRUCTION | 6G+IRCF |
This 25mm M12 lens is an 8MP high-resolution fixed focal length lens designed for 1/1.7″ image sensors such as the AR0821. With TV distortion below 0.4%, an F1.6 aperture, and a 21° diagonal field of view, it delivers detailed, geometrically controlled imaging for compact machine vision, industrial inspection, and embedded high-resolution camera systems.
This 25mm M12 low distortion lens is designed for compact imaging systems that require both high resolution and tightly controlled geometric distortion. Its 8MP optical performance on a 1/1.7″ sensor, combined with a 21° diagonal FOV, allows the camera to concentrate on a defined inspection area while retaining fine image detail.
The <0.4% TV distortion specification is particularly valuable for applications where object geometry needs to remain highly consistent across the image. This makes the lens well suited to dimensional inspection, component identification, precision object recognition, and other machine vision tasks where excessive image deformation can affect visual analysis.
With an F1.6 aperture, the lens can provide a relatively bright optical path for compact industrial cameras operating under challenging or variable lighting conditions. The 0.3m minimum object distance also makes it suitable for close-range inspection setups where the camera is installed near the target.
For compact machine vision systems, the M12 × 0.5 interface simplifies integration into small camera modules and embedded inspection equipment. Engineers can use the Lens Selection Guide and Sensor Guide to evaluate sensor and focal-length compatibility during system design.
For projects where the required image coverage is not yet confirmed, the FOV Calculator can help estimate target coverage based on sensor and working distance.
Designed for high-resolution close-range inspection, precision object recognition, and compact machine vision applications.
Q: What sensor size is this 25mm M12 lens designed for?
A: The lens is designed for a 1/1.7″ image format and provides 8MP resolution. The specified field of view is based on the AR0821 sensor.
Q: What is the field of view of this 25mm M12 lens?
A: With the AR0821 sensor, the lens provides a 21° diagonal FOV, 18° horizontal FOV, and 10° vertical FOV.
Q: How low is the distortion of this lens?
A: The specified TV distortion is less than 0.4%, providing highly controlled image geometry for applications that require accurate visual reproduction.
Q: Is this lens suitable for high-resolution machine vision?
A: Yes. Its 8MP resolution, 1/1.7″ sensor coverage, 25mm focal length, and less-than-0.4% TV distortion make it suitable for selected high-resolution machine vision and industrial inspection systems.
Q: What is the aperture of this 25mm M12 lens?
A: The lens uses a fixed F1.6 aperture, providing a relatively bright optical path for compact imaging systems.
Q: Is the iris adjustable?
A: No. This model uses a fixed iris configuration with an F1.6 aperture.
Q: What camera interface does this lens use?
A: The lens uses an M12 × 0.5 mount, making it suitable for compact industrial cameras, embedded vision modules, and other M12-compatible camera systems.
Q: How can I confirm whether this lens provides enough field of view for my application?
A: Field of view depends on sensor size, focal length, and working distance. You can use the FOV Calculator to estimate image coverage and consult the Lens Selection Guide when comparing different lens configurations. For application-specific optical requirements, contact TOWIN for engineering support.
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