1. Product Overview
The Quanmin 3.6mm 92 Degree Wide Angle CCTV Camera IR Board Lens is designed to provide expansive scene capture for comprehensive security monitoring. This lens is engineered with a 3.6mm focal length and a 92-degree wide-angle field of view, making it ideal for maximizing coverage in confined spaces. It delivers accurate color reproduction and is compatible with 1/3" or 1/4" CCD/CMOS camera sensors.

Front view of the Quanmin 3.6mm 92 Degree Wide Angle CCTV Camera Lens.

The 3.6mm focal length of the lens, indicating its wide-angle capability.
This compact lens is built for seamless integration into various security camera setups, enhancing surveillance effectiveness by providing sharp, detailed visuals. It features a standard M12 mount for broad compatibility and ease of installation.
2. Setup and Installation
The Quanmin 3.6mm lens is designed for plug-and-play installation, allowing for quick attachment or removal. It is compatible with most 1/3" and 1/4" CCD or CMOS security cameras that utilize an M12 mount.
Installation Steps:
- Preparation: Ensure your camera is powered off and disconnected from any power source before beginning installation.
- Remove Existing Lens (if applicable): Carefully unscrew the existing lens from your camera's M12 mount. Avoid forcing the threading.
- Attach New Lens: Gently screw the Quanmin 3.6mm lens into the camera's M12 mount. Ensure it threads smoothly without resistance.
- Focus Adjustment: After installation, you will need to manually adjust the focus of the new lens to achieve a clear picture. This typically involves rotating the lens barrel until the image on your monitor is sharp.
- Secure Lens: Once focus is achieved, some cameras may have a locking ring to secure the lens in place. Tighten this ring if available.

Side view of the lens, highlighting the M12 threading for easy installation.

Another angled view of the lens, demonstrating its compact design.
3. Operation
Once installed and focused, the 3.6mm wide-angle lens provides an expanded field of view, reducing blind spots in your surveillance area. Its design ensures high-definition imaging for various security applications.
Key Operational Benefits:
- Wide Area Coverage: The 92-degree wide angle is effective for monitoring large rooms, hallways, or outdoor areas with fewer cameras.
- Clear Imaging: Provides sharp and detailed visuals, crucial for identification and monitoring.
- Versatile Application: Suitable for various uses including general security monitoring, face recognition systems, and driving recorders.

The lens enhances surveillance effectiveness in security monitoring environments.

Illustrates the scope of application for the lens, including face recognition, security monitoring, and driving recorders.

A diagram illustrating the relationship between focal length, angle of view, and effective distance, with 3.6mm providing a 90-degree view.
4. Maintenance
Proper maintenance ensures the longevity and optimal performance of your lens.
Care Instructions:
- Cleaning: Use a soft, lint-free microfiber cloth specifically designed for optical lenses to clean the glass surfaces. For stubborn smudges, a small amount of lens cleaning solution can be applied to the cloth, not directly to the lens.
- Dust Protection: Keep the lens covered with a cap when not in use or during storage to prevent dust accumulation.
- Handling: Avoid touching the glass elements directly with your fingers, as oils can leave residues.
- Storage: Store the lens in a dry, cool environment, away from direct sunlight and extreme temperatures.
5. Troubleshooting
If you encounter issues with your Quanmin lens, consider the following common solutions:
Common Issues and Solutions:
- Blurry Image:
- Solution: Manually adjust the lens focus by gently rotating the lens barrel until the image becomes clear. This is the most common reason for blurriness after installation.
- Solution: Ensure the lens is screwed in completely and securely into the camera's M12 mount.
- Solution: Check for smudges or dust on the lens surface and clean as per maintenance instructions.
- Limited Field of View:
- Solution: Verify that the lens is indeed the 3.6mm wide-angle model. Ensure it is fully seated and not obstructed by any camera housing components.
- Compatibility Issues:
- Solution: Confirm your camera uses a standard M12 mount and is equipped with a 1/3" or 1/4" CCD/CMOS sensor.
6. Specifications
Feature | Detail |
---|---|
Model Number | QM-MTV LENS-001 |
Focal Length | 3.6mm |
Angle of View | 92 Degrees |
Compatible Mountings | M12 |
Compatible Sensors | 1/3" and 1/4" CCD or CMOS |
Lens Type | Standard |
Product Dimensions | 3.94 x 3.94 x 3.94 inches |
Item Weight | 3.52 ounces |
Manufacturer | Quanmin |

Various Quanmin HD MTV lenses, showcasing different focal lengths and ultra-wide vision capabilities.
7. Warranty and Support
Quanmin is committed to providing high-quality products and dedicated customer support.
Product Support:
For any inquiries regarding this CCTV lens, its performance, or integration with your camera system, our team provides prompt support. Please reach out to us for assistance to ensure your security camera operates optimally.
For further information or to contact support, please visit the official Quanmin store or contact your retailer.
Note: Specific warranty terms and conditions may vary by region and retailer. Please refer to your purchase documentation for detailed warranty information.