Fisheye Lens – CCL118018MP

CCL118018MP Fisheye CCTV HD lens 1/1.8″ Φ5.4 M12 lens 185° 3MP F2.8 security surveillance

1.8mm 3MP M12 Fisheye Lens – 185° Ultra Wide Angle

The 1.8mm M12 Fisheye Lens is an ultra-wide optical solution designed for compact camera systems that require extensive scene coverage from a single imaging module. Featuring a Φ5.4mm image circle for 1/1.8″ sensors, 3MP resolution, and a 185° horizontal field of view, this fisheye lens is designed to capture a remarkably broad scene in space-constrained camera applications. Its 1.8mm focal length and fixed F2.8 aperture provide a practical optical configuration for panoramic monitoring, surround-view imaging, compact security cameras, and embedded vision systems.

With an M12x0.5 mount, 25.8mm TTL, and only 0.1m minimum object distance, the lens is well suited to close-range wide-area imaging. The -94% distortion is an inherent characteristic of its fisheye optical design, allowing the lens to achieve an exceptionally wide viewing angle rather than maintaining conventional rectilinear geometry. Its 6G optical construction provides a dedicated configuration for compact 3MP M12 fisheye lens applications requiring broad environmental coverage.

Product Core Highlights

• 185° horizontal FOV – Provides extremely broad horizontal scene coverage for panoramic and wide-area imaging.
• 148° vertical FOV – Extends vertical environmental visibility for applications requiring substantial scene coverage.
• 1.8mm ultra-wide focal length – Designed for extreme wide-angle imaging in compact camera systems.
• 1/1.8″ image format – Compatible with imaging systems using a Φ5.4mm image circle.
• 0.1m minimum object distance – Supports close-range imaging while maintaining an exceptionally wide viewing angle.

M12 Fisheye Lens Application Scenarios & Compatible Devices

1. Panoramic Security Monitoring

The 185° horizontal field of view makes this 3MP M12 fisheye lens suitable for monitoring applications where a conventional narrow-angle camera may leave significant blind spots. Its extreme viewing angle allows a single compact camera to cover a large area from a fixed installation point.

The lens can be used in indoor monitoring environments such as entrances, retail spaces, corridors, rooms, and other locations where broad horizontal visibility is important.

Compatible devices:

• Panoramic security cameras
• Compact surveillance cameras
• Embedded security camera modules
• Indoor monitoring cameras
• Wide-area observation cameras

For system-level applications, explore TOWIN’s Smart Security solutions.

2. Surround-View Camera Systems

The combination of 185° horizontal and 148° vertical FOV makes this lens suitable for surround-view configurations that require a large amount of environmental information from a compact optical module.

A single camera can capture a substantial surrounding area, while multiple cameras can be combined when the system requires broader overall coverage or overlapping views.

Compatible devices:

• Surround-view camera modules
• Compact observation cameras
• Multi-camera vision systems
• Environmental monitoring modules

3. Robotics & Mobile Vision

The extremely wide viewing angle can provide mobile robotic platforms with broad environmental awareness. This can be useful when a robot needs to observe nearby surroundings while maintaining a compact camera architecture.

The 0.1m M.O.D. is also advantageous for applications where objects or obstacles can be relatively close to the camera.

Compatible devices:

• Mobile robots
• Service robots
• Autonomous platforms
• Robotic camera modules
• Compact embedded vision devices

For application-specific optical solutions, see Robotics Vision.

4. Close-Range Wide-Area Imaging

The combination of 0.1m M.O.D. and 185° horizontal FOV makes this lens particularly suitable for close-range monitoring. The camera can be positioned relatively close to the monitored environment while still capturing a very large portion of the scene.

This configuration can be useful for compact monitoring devices where installation distance is limited.

Compatible devices:

• Close-range monitoring cameras
• Compact observation systems
• Embedded camera modules
• Small-form-factor imaging devices

5. Panoramic Imaging Modules

The extreme fisheye geometry allows the lens to capture a very broad portion of a scene with a single optical module. It can therefore be incorporated into panoramic imaging systems, particularly where software-based image correction or panoramic stitching is available.

Compatible devices:

• Panoramic camera modules
• Multi-camera panoramic systems
• Wide-area imaging equipment
• Immersive imaging devices

When selecting a sensor for the camera system, TOWIN’s Sensor Guide can help evaluate sensor-format compatibility.

Why Choose a 185° M12 Fisheye Lens?

The main advantage of this lens is its combination of 185° horizontal coverage, 148° vertical coverage, 1/1.8″ image format, and compact M12 mounting. Compared with conventional wide-angle lenses, its fisheye design provides substantially greater scene coverage from a single camera position.

The -94% distortion is a defining feature of the optical design rather than a low-distortion characteristic. The lens intentionally accepts strong geometric distortion to achieve its extremely wide field of view. This makes it appropriate for systems where maximum scene coverage is more important than maintaining straight-line geometry.

For applications requiring a natural-looking image with reduced geometric distortion, a conventional low-distortion lens should be considered instead. TOWIN’s Distortion Guide provides additional information about lens distortion and its impact on imaging.

Fisheye Lens vs. Conventional Wide Angle Lens

A conventional wide-angle lens generally attempts to preserve a more natural rectilinear image while expanding the field of view. A fisheye lens takes a different approach by accepting significant geometric distortion to achieve a much wider viewing angle.

This 1.8mm M12 Fisheye Lens provides up to 185° horizontal coverage and is therefore suitable when maximizing the captured scene is the primary requirement. For applications involving panoramic monitoring, environmental awareness, or broad-area observation, this optical approach can provide more coverage from a single compact camera.

When selecting between different optical configurations, users should consider the required FOV, sensor format, image resolution, mounting interface, object distance, and whether image correction will be performed by the camera or software. TOWIN’s Lens Selection Guide can be used as a starting point.

Frequently Asked Questions

Q: What type of lens is this 1.8mm M12 lens?
A: It is an ultra-wide fisheye lens with a 1.8mm focal length, 185° horizontal FOV, and 148° vertical FOV.

Q: What sensor format is this M12 fisheye lens designed for?
A: The lens is designed for a 1/1.8″ image format with a Φ5.4mm image circle.

Q: What is the field of view of this 1.8mm fisheye lens?
A: The specified FOV is 185° horizontally at 5.7mm and 148° vertically at 3.6mm.

Q: Why does this fisheye lens have -94% distortion?
A: The high negative distortion is a characteristic of the fisheye optical design. It allows the lens to achieve extremely wide scene coverage rather than maintaining the geometry of a conventional rectilinear lens.

Q: What mount does this fisheye lens use?
A: It uses an M12x0.5 mount, making it suitable for compatible compact camera modules and embedded imaging systems.

Q: What is the minimum object distance of this lens?
A: The specified M.O.D. is 0.1m, or approximately 100mm.

Q: Does this lens have an adjustable iris?
A: No. The lens uses a fixed F2.8 aperture.

Q: Can TOWIN customize this 1.8mm M12 fisheye lens?
A: TOWIN can evaluate customized optical requirements based on the target sensor, FOV, resolution, mechanical interface, and application requirements. For project-specific requirements, Contact TOWIN.

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