Description
This 2.56mm 4MP M12 wide angle lens features a 154° ultra-large diagonal field of view, perfectly tailored for the 1/2.9″ OV4689 image sensor. Adopting premium 6G lens composition and F2.4 large aperture design, it delivers clear 4-megapixel imaging with controlled optical and TV distortion. Built with standard M12X0.5 mount and fixed iris structure, this fixed focal lens is widely compatible with automotive monitoring, CCTV security, industrial machine vision and smart IoT devices, balancing wide-angle coverage, high-resolution performance and easy installation.
Key Product Highlights Module
Field of View & Focal Length Advantages
154° ultra-wide diagonal FOV eliminates monitoring blind spots with 2.56mm fixed focal length for full-scene coverage
Imaging Performance
4MP high-definition resolution + F2.4 large aperture ensures sharp low-light imaging and detailed picture restoration
Distortion Control
Strictly limited optical distortion below -72% and horizontal TV distortion under -9% for natural scene restoration
Universal Compatibility
Standard M12X0.5 mount fits most mainstream surveillance, automotive and industrial camera modules
Premium Build Quality
6G full-glass lens structure enhances light transmission and durability for long-term stable operation
Detailed Product Parameter
| Parameter Item | Specification |
|---|---|
| Image Format | 1/2.9″ |
| Focal Length | 2.56mm |
| Diagonal FOV (OV4689) | 154°(D) |
| Horizontal FOV | 130°(H) |
| Vertical FOV | 71°(V) |
| Resolution | 4 Megapixel |
| Optical Distortion | < -72% |
| TV Distortion (Horizontal) | < -9% |
| Aperture | F2.4 |
| Mount Type | M12X0.5 |
| Iris Type | Fixed |
| T.T.L | 14.5mm |
| B.F.L | 4.38mm |
| M.B.F.L | 3.8mm |
| M.O.D | 0.2m |
| Lens Composition | 6G |
This product is RoHS certified, ISO9001 quality control certified, supports third-party testing, and complies with EU/domestic security equipment access standards, alleviating customer quality concerns.
Product Application Scenarios and Compatible Devices
Core Application Scenarios
This M12 wide angle lens is primarily applied to automotive panoramic surveillance, vehicle rearview cameras, in-car monitoring systems, and outdoor CCTV security cameras. It also suits smart video doorbells, panoramic IoT cameras, industrial machine vision inspection, small intelligent monitoring terminals and residential community security monitoring. With ultra-wide field of view, it covers larger monitoring areas without multiple camera deployment, ideal for narrow installation spaces and all-scene panoramic monitoring. The 0.2m minimum object distance adapts to close-range shooting needs, stable 6G structure works well in indoor and outdoor complex temperature environments, reducing later maintenance costs for end devices.
Compatible Devices List
Compatible with 1/2.9″ mainstream CMOS sensors including OV4689, perfectly matching 4MP surveillance camera modules and automotive vision sensor modules. Adapted to smart video doorbells, panoramic security cameras, vehicle ADAS vision equipment, industrial miniature vision cameras and IoT intelligent monitoring devices. Supports mainstream monitoring motherboard modules and custom embedded camera equipment, no extra bracket modification required for direct installation and adaptation. Designed for automotive, CCTV security and industrial machine vision application.
FAQs
Q: What sensor does this 2.56mm wide angle lens match?
A: It is perfectly optimized for 1/2.9″ OV4689 sensor and compatible with other mainstream 1/2.9-inch 4MP CMOS sensors.
Q: Is this lens suitable for automotive monitoring use?
A: Yes, 154° ultra-wide FOV fits vehicle panoramic, rearview and in-car monitoring with stable anti-shake optical performance.
Q: What is the lens structure and low-light performance?
A: Adopts 6G full-glass structure with F2.4 large aperture, ensuring clear imaging even in weak light environments.
Q: Does this M12 lens support fixed installation?
A: Equipped with M12X0.5 standard mount and fixed iris design, easy to install and no frequent adjustment needed.
Q: What distortion level can this lens achieve?
A: Optical distortion is less than -72% and horizontal TV distortion below -9%, ensuring natural panoramic image restoration.
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