

1/1.8″ IR corrected C mount for traffic monitoring,
largest aperture F1.4 for low light surveillance,
4.5-18mm vari-focal length, Manual Iris for day and night application.
CCL1184518MMPCR2 is a 1/1.8″ IR corrected C mount lens for traffic monitoring. The aperture could be opened to F1.4 for low light surveillance. It is 4.5-18mm vari-focal length, Manual Iris for day and night application.
| IMAGE FORMAT | 1/1.8″ |
| FOCAL LENGTH | 4.5-18mm |
| D F.O.V. | 137°~31° |
| H F.O.V. | 104°~23° |
| RESOLUTION | 3MP |
| APERTURE | F1.4 |
| MOUNT | C |
| IRIS | Manual |
| FOCUS | Manual |
| ZOOM | Manual |
| M.O.D. | 0.3m |
| IR | Corrected |
Flexible 4.5-18mm Varifocal Design
The adjustable focal length range provides flexibility between wide-angle monitoring and narrow field-of-view imaging, allowing users to adapt the lens to different application requirements.
Large 1/1.8″ Sensor Compatibility
Designed for 1/1.8″ image formats, the lens provides excellent sensor coverage and stable optical performance for professional industrial and security cameras.
IR Corrected Optical Performance
The IR correction design reduces focus shift between visible light and infrared wavelengths, ensuring clearer images for day and night surveillance applications.
Wide Field of View Adjustment
With a diagonal FOV range from 137° to 31°, the lens supports both large-area monitoring and focused image capture.
F1.4 Large Aperture Performance
The F1.4 aperture improves light gathering capability and supports brighter, clearer images in low-light and changing illumination environments.
Flexible Manual Optical Adjustment
Manual iris, focus and zoom controls allow users to fine-tune optical performance according to different camera setups and working conditions.
Security Surveillance Systems
This 4.5-18mm IR corrected C-mount lens is suitable for CCTV cameras and professional surveillance systems requiring adjustable viewing angles and stable imaging performance.
Intelligent Security Applications
The wide focal range and IR correction capability make this lens suitable for smart security cameras, monitoring systems and AI vision applications.
Industrial Vision Systems
The lens can be integrated into industrial cameras requiring flexible field-of-view adjustment for inspection, monitoring and automation applications.
Outdoor Monitoring Applications
With IR correction and a large aperture design, this lens supports outdoor surveillance environments with changing lighting conditions.
TOWIN provides professional optical solutions for C-Mount lenses, varifocal lenses and customized imaging systems. With optical design expertise, precision manufacturing capability and advanced lens development experience, TOWIN supports customers from optical design to mass production.
| TOWIN Capability | Customer Benefits |
|---|---|
| Professional optical design expertise | Optimized lens solutions for security and industrial imaging applications |
| Varifocal lens development experience | Flexible focal range solutions for different monitoring requirements |
| IR optical technology capability | Improved day and night imaging performance |
| OEM and ODM customization support | Customized optical and mechanical solutions for specific projects |
| Precision manufacturing and quality control | Stable performance and reliable product consistency |
Q: What applications is the 4.5-18mm IR corrected C-mount lens suitable for?
A: The 4.5-18mm IR corrected C-mount lens is suitable for security surveillance, industrial cameras, intelligent monitoring systems and applications requiring flexible field-of-view adjustment.
Q: What is the advantage of a 4.5-18mm varifocal lens?
A: A 4.5-18mm varifocal lens allows users to adjust the viewing angle after installation, providing flexibility for different monitoring distances and scene coverage requirements.
Q: What sensor size is compatible with this C-Mount lens?
A: This lens supports 1/1.8″ image formats and is designed for cameras equipped with standard C-Mount interfaces.
Q: Why is IR correction important for security camera lenses?
A: IR correction helps maintain accurate focus when cameras switch between visible light and infrared illumination, ensuring clearer images during both daytime and nighttime operation.
Q: Does this lens support low-light imaging applications?
A: Yes. The F1.4 large aperture design improves light transmission, helping cameras capture brighter images in low-light environments.
Q: Can TOWIN customize C-Mount varifocal lenses?
A: Yes. TOWIN provides OEM and ODM customization services, including optical optimization, mechanical modifications and customized lens solutions for different camera systems.
Q: Does TOWIN support mass production of customized industrial lenses?
A: Yes. TOWIN supports customized optical development and large-scale production with professional manufacturing processes and strict quality control systems.
Download Specs Sheet
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| H. F.O.V. | |
| RESOLUTION | |
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| MOUNT | |
| IRIS | |
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