

1/2.5″ 2.55mm ultra-wide-angle fisheye lens, fixed aperture F2.8, 5-Megapixel resolution M12 mount lens, surveillance lens.
CCL1250255MPF is 1/2.5″ 2.55mm ultra-wide-angle fisheye lens, fixed aperture F2.8, 5-Megapixel resolution M12 mount lens, surveillance lens.
| IMAGE FORMAT | 1/2.5″ |
| FOCAL LENGTH(mm) | 2.55 |
| F.O.V. | 170°(D) |
| 130°(H) | |
| 98°(V) | |
| RESOLUTION | 5 MP |
| DISTORTION | <89% |
| APERTURE | 2.8±5% |
| MOUNT(mm) | M12x0.5 |
| IRIS | Fixed |
| M.O.D.(mm) | 0.1 |
| T.T.L.(mm) | 22.57 |
| DIMENSION(mm) | Φ17.4×19.07 |
| LENS COMPOMEMT | 6G+1IR |
170° Ultra-Wide Fisheye Imaging
The 2.55mm M12 fisheye lens provides a 170° diagonal field of view, enabling cameras to capture wider scenes and improve environmental awareness in panoramic imaging applications.
5MP High-Resolution Imaging Performance
Supporting 5MP resolution, the lens delivers clear image details for security monitoring, intelligent vision and compact camera applications.
Compact M12x0.5 Mount Design
The M12x0.5 interface provides a compact and lightweight optical solution, making it easy to integrate into embedded cameras and space-limited imaging systems.
Advanced 6G+1IR Optical Structure
The 6-glass element structure combined with IR filter compatibility improves optical performance and helps maintain stable image quality across different operating conditions.
Close-Range Wide-Area Imaging
With a minimum object distance of 0.1m, the lens supports close-distance imaging applications requiring broad scene capture.
Stable Fixed Aperture Performance
The fixed F2.8 aperture design provides consistent imaging performance and simplifies integration into compact camera platforms.
Panoramic Security Cameras
This 2.55mm M12 fisheye lens is suitable for panoramic surveillance cameras requiring wide-area coverage and reduced blind spots.
Smart Security and AI Vision Systems
The ultra-wide field of view supports intelligent security applications requiring broad scene monitoring and image analysis.
Embedded Vision Devices
The compact M12 design makes this lens suitable for embedded cameras, IoT devices and smart imaging systems where space is limited.
Robotics and Autonomous Vision
The wide-angle imaging capability helps robotic systems capture more environmental information for navigation, positioning and perception.
Industrial Wide-Area Monitoring
The fisheye design supports industrial applications requiring large-area observation and visual monitoring with a single camera.
TOWIN provides professional optical solutions for M12 lenses, fisheye lenses and customized imaging applications. With optical design expertise, precision manufacturing capability and experience in compact optical systems, TOWIN supports customers from product development to mass production.
| TOWIN Capability | Customer Benefits |
|---|---|
| Advanced optical design expertise | Optimized fisheye lens solutions for ultra-wide imaging requirements |
| M12 lens development experience | Compact optical solutions for embedded vision applications |
| OEM and ODM customization support | Flexible optical and mechanical customization based on project needs |
| Precision manufacturing capability | Stable quality and consistent optical performance |
| Strict quality control system | Reliable products for long-term industrial and commercial applications |
Q: What applications is the 2.55mm M12 fisheye lens suitable for?
A: The 2.55mm M12 fisheye lens is suitable for panoramic security cameras, AI vision systems, embedded cameras, robotics vision and industrial monitoring applications requiring ultra-wide image coverage.
Q: What is the advantage of a 170° fisheye lens?
A: A 170° fisheye lens provides a very wide field of view, allowing cameras to capture more scene information and reduce blind areas compared with standard wide-angle lenses.
Q: What sensor size is compatible with this M12 fisheye lens?
A: This lens supports 1/2.5″ image formats and uses an M12x0.5 mount interface, making it compatible with compact camera modules and embedded imaging systems.
Q: Why is a 6G+1IR optical structure used in this fisheye lens?
A: The 6G+1IR optical structure combines multiple glass elements with IR filter compatibility to improve optical performance, image consistency and system reliability.
Q: What is the minimum object distance of this lens?
A: The minimum object distance is 0.1m, allowing the lens to capture clear images in close-range panoramic and monitoring applications.
Q: Can TOWIN customize M12 fisheye lenses for different camera projects?
A: Yes. TOWIN provides OEM and ODM customization services, including optical optimization, mechanical adjustments and customized lens solutions for different imaging requirements.
Q: Does TOWIN support mass production of M12 fisheye lenses?
A: Yes. TOWIN supports customized optical development and mass production with professional manufacturing processes and strict quality control systems.
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