

5.1mm M8 fixed focal low distortion lens with 67° diagonal FOV, F2.6 aperture, 0.2m M.O.D., and 8.16mm TTL.
M805112706026F is 5.1mm Low Distortion CCTV lens with Built-In IR Filter, F2.6 aperture, 67° 1/2.7″ M8x0.35 mount, for standard security surveillance applications.
| IMAGE FORMAT | 1/2.7″ |
| FOCAL LENGTH | 5.1mm |
| F.O.V. | 67°(D=6.60) |
| 60°(H=5.76) | |
| 35°(V=3.24) | |
| RESOLUTION | 2 MP |
| DISTORTION | <-2% |
| APERTURE | F2.6 |
| MOUNT | M8x0.35 |
| IRIS | Fixed |
| M.O.D. | 0.2m |
| T.T.L. | 8.16mm |
| STRUCTURE | 1G3P+IRCF |
The 5.1mm M8 2MP Low Distortion Lens is a compact fixed focal lens designed for embedded cameras, smart monitoring modules, robotic vision devices, and other space-constrained imaging systems. With a 67° diagonal FOV on a 1/2.7″ sensor, F2.6 aperture, 2MP resolution, and 8.16mm TTL, this M8 lens provides practical low distortion coverage in a compact optical package.
The M8x0.35 mount and 0.2m minimum object distance make it suitable for close-to-medium range imaging where compact mechanical integration and stable fixed-focus performance are required.
The 5.1mm focal length and 67° diagonal field of view make this lens suitable for compact camera systems that require wider scene coverage without the extreme perspective associated with fisheye optics.
Typical applications include:
The 0.2m M.O.D. allows the lens to work with relatively close subjects, while the 8.16mm TTL helps simplify integration into compact camera housings.
Designed for compact embedded imaging applications requiring moderate wide-angle coverage and short optical dimensions.
This lens can be considered for:
When selecting a lens for a particular sensor, compare image format, focal length, and required FOV using the Sensor Guide. The Lens Selection Guide can also help identify suitable optical parameters.
With a 5.1mm focal length, this lens provides a 67° diagonal, 60° horizontal, and 35° vertical FOV on a 1/2.7″ sensor. This places it in the practical Low Distortion Lens range rather than the extreme-angle range normally associated with fisheye optics.
The specified TV distortion is <-2%. Therefore, this lens is suitable for general wide-angle imaging where moderate geometric distortion is acceptable, rather than applications requiring very strict low-distortion performance.
The 1G3P+IRCF structure combines one glass element with three plastic optical elements and an IR Cut Filter configuration for visible-light camera applications.
For other compact mount options, explore TOWIN’s M8/M7/M6/M5/M3.5 Small Mount Lenses or the complete Other Mount Lenses range.
Q: What type of lens is the 5.1mm M8 lens?
A: It is a fixed focal, low distortion M8 miniature lens designed for compact embedded camera systems.
Q: What sensor format is this lens designed for?
A: The specified FOV is based on a 1/2.7″ image format with 67° diagonal, 60° horizontal, and 35° vertical FOV.
Q: Is this 5.1mm M8 lens a fisheye lens?
A: No. Its 67° diagonal FOV is within a practical wide-angle range and does not indicate an extreme fisheye configuration.
Q: What is the distortion specification of this lens?
A: The specified TV distortion is <-2%. It is intended for general wide-angle imaging rather than applications requiring very low geometric distortion.
Q: What does IRCF mean?
A: IRCF means IR Cut Filter. It filters infrared wavelengths for standard visible-light imaging and should not be interpreted as an IR Corrected optical design.
Q: What is the minimum object distance?
A: The M.O.D. is 0.2m, allowing the lens to capture relatively close subjects.
Q: What is the total track length?
A: The T.T.L. is 8.16mm, making the lens suitable for compact camera assemblies with limited optical space.
Q: Can TOWIN customize this M8 lens?
A: TOWIN can discuss application-specific requirements such as focal length, FOV, sensor format, distortion, mounting dimensions, and optical performance. Contact TOWIN through the Contact page for OEM or custom lens requirements.
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