Description
Upgrade your embedded vision systems with our premium 5MP 4.3mm M12 fixed focal lens, precision-engineered for high-definition 1/4″ image sensors. Featuring an advanced 7G+IRF (7 Glass elements + Infrared Filter) optical construction and a fast F2.8 aperture, this high-performance M12 lens delivers exceptional light gathering capability and edge-to-edge sharpness. With a controlled low distortion profile of less than 1%, it serves as a highly reliable optical component for clear, mathematically accurate image acquisition under diverse lighting conditions.
Key Product Highlights
- Premium 7G+IRF Architecture: Employs a 100% all-glass 7G construction paired with an integrated IR filter to guarantee superior thermal stability and pristine color accuracy.
- Fast F2.8 Large Aperture: Captures significantly more light to ensure crisp, low-noise imaging even in dimly lit or rapidly shifting operational environments.
- True 5-Megapixel Resolution: Maximizes the high pixel density of modern 1/4″ sensors, eliminating pixelation and blurring across the entire frame.
- Low Distortion Control (<1%): Restricts geometric warping below 1% to streamline post-capture software processing and automated visual analysis.
- Standard M12 Compatibility: Features a robust M12x0.5 threaded mount for direct, tool-less integration with a broad range of standard board cameras.
Technical Specifications
| Parameter | Specifications |
|---|---|
| Image Format | 1/4″ |
| Focal Length | 4.3mm |
| Aperture | F2.8 |
| Field of View (F.O.V.) | 59°(D) / 48°(H) / 37°(V) |
| Resolution | 5 Megapixel (5MP) |
| Optical Distortion | < 1% |
| Mount Type | M12 x 0.5 |
| Iris Type | Fixed |
| Minimum Object Distance (M.O.D.) | 0.2m (20cm) |
| Total Track Length (T.T.L.) | 25.1mm |
| Back Focal Length (B.F.L.) | 8.13mm |
| Lens Construction | 7G + IRF (7 All-Glass Elements + IR Filter) |
This product is certified by RoHS and ISO9001 quality management system, supports third-party testing, and complies with EU and domestic security equipment access standards, ensuring reliable quality and full compliance.
Target Applications & Compatible Devices
Core Application Scenarios
The 5MP 4.3mm M12 fixed focal lens is specifically tailored for smart security cameras, facial recognition terminals, retail scanning kiosks, and smart video doorbells where compact spacing and impeccable day-to-night resolution are mandatory. Thanks to its fast F2.8 aperture and 7-layer all-glass optics, this IR corrected lens prevents focal shift caused by temperature changes in outdoor environments, such as parking lot access gates and neighborhood entryways. Its balanced 48° horizontal field of view captures focused subject data without fish-eye warping, making it ideal for accurate AI biometric verification, automated toll booths, and biometric access control hardware.
Compatible Device List
- Sensor Compatibility: Universally compatible with 1/4″ CMOS/CCD sensors from Sony, OmniVision, and Onsemi.
- IP Security Modules: Direct fit for Hikvision and Dahua low-profile OEM board cameras and Tuya smart IoT setups.
- Embedded Developer Boards: Seamlessly integrates with Raspberry Pi Zero/4/5 camera boards and Jetson Nano carrier boards.
- Biometric Terminals: Easily fits inside hand-held data collectors, passport scanners, and attendance verification systems.
- Mount Customization: Standardized M12x0.5 base thread means no extra lens holders are needed for installation.
“Designed for Smart Security and Biometric Recognition applications”
Frequently Asked Questions
Q: What are the advantages of the 7G+IRF lens construction?
A: The 7-glass (7G) design offers superior light transmission and extreme thermal durability compared to plastic lenses. The built-in IR Filter (IRF) blocks unwanted infrared light during the day to ensure true-to-life color representation.
Q: Can this 5MP lens be used on a 1/3″ or 1/2.7″ CMOS sensor?
A: No, this lens has an optical image format optimized for 1/4″ sensors. Installing it onto a larger sensor will clip the image circle, creating heavy dark corners (vignetting).
Q: Does the F2.8 aperture help with low-light monitoring?
A: Yes, an F2.8 aperture lets in substantially more light than standard F4.0 or F5.6 lenses, which drastically improves image clarity and reduces digital noise under low illumination.
Q: What is the meaning of the <1% distortion parameter?
A: It means the lens features a low distortion design. Straight lines in the physical world will appear straight on the sensor screen without curved, barrel-like distortion, allowing accurate recognition.
Q: Is the focal length adjustable on this M12 model?
A: No, this is a fixed focal lens with a 4.3mm focal distance. To adjust focus on your target object, simply thread the lens further into or out of the M12 mount holder during installation.
Q: Can I order this lens without the IR filter for specialized near-infrared (NIR) imaging?
A: Yes, we offer customization options. We can replace the IRF with a clear window or an AR coating to accommodate full day/night or purely infrared lighting environments.
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