Smart Security Lens Solutions
AI-Powered Surveillance Optics
TOWIN provides high-performance security camera lenses for AI surveillance systems, CCTV cameras, smart city monitoring, facial recognition devices, and low-light imaging applications.
Our portfolio includes M12 lenses, IR-corrected lenses, low-light lenses, wide-angle lenses, and custom optical solutions for OEM security camera manufacturers.
Optical Solutions for Smart Security Systems
High Resolution
Up to 12MP high-resolution support for clear image details and accurate identification.
IR Day/Night
Optimized for 850nm and 940nm IR wavelengths to ensure excellent night vision performance.
Wide Dynamic Range
WDR technology delivers balanced exposure in high contrast scenes with strong backlight.
Low Distortion
Low distortion design ensures accurate image geometry for reliable analysis and recognition.
Key Smart Security Applications
Surveillance Cameras
| Recommended Lens | 5MP M12 Lens |
| Resolution | 5MP |
| Sensor | 1/2.7" |
| FOV | 90° |
Face Recognition
| Recommended Lens | 8MP M12 Lens |
| Resolution | 8MP |
| Sensor | 1/2.8" |
| FOV | 80° |
ANPR / LPR Systems
| Recommended Lens | 12MP C-Mount Lens |
| Resolution | 12MP |
| Sensor | 1" |
| FOV | 30° |
Smart City Monitoring
| Recommended Lens | 8MP M12 Lens |
| Resolution | 8MP |
| Sensor | 1/1.8" |
| FOV | 100° |
Industrial & Warehouse
| Recommended Lens | 5MP M12 Lens |
| Resolution | 5MP |
| Sensor | 1/2.7" |
| FOV | 110° |
Traffic&Road Security
| Recommended Lens | 8MP C-Mount Lens |
| Resolution | 8MP |
| Sensor | 1/1.8" |
| FOV | 60° |
Lens Features for Security Applications
| Parameter | Value |
|---|---|
| Resolution | 2MP – 12MP |
| Sensor Size | 1/4" – 1" |
| Lens Mount | M12 / C-Mount |
| Distortion | < 1% |
| IR Correction | 850nm / 940nm |
| Operating Temperature | -40℃ ~ +85℃ |
Reliable Performance
Stable performance in harsh environments.
Wide Temperature Range
Operates reliably from -40℃ to +85℃.
OEM / ODM Support
Custom optical design and mechanical solutions available.
Security Lens Product Categories
M12 Security Lenses
Compact, cost-effective and ideal for a wide range of security cameras.
C-Mount Security Lenses
High-resolution lenses for professional and industrial surveillance systems.
IR Corrected Lenses
Optimized for 850nm / 940nm IR light to deliver clear images in low-light environments.
Varifocal Security Lenses
Flexible focal length adjustment for easy installation and precise FOV control.
Why Choose TOWIN for Smart Security Optics
Suggested Optical Specs for Smart Security
| Application | Resolution | Sensor | FOV (H) | IR Wavelength | Day / Night | Recommended Lens Type | Mount | Key Features |
|---|---|---|---|---|---|---|---|---|
| Face Recognition | 8MP | 1/2.8" | 80° | 940nm | Yes | IR Corrected Lens | M12 | High resolution, IR corrected, low distortion |
| CCTV Surveillance | 5MP | 1/2.7" | 110° | 850nm | Yes | M12 Lens | M12 | Wide FOV, good low-light performance |
| ANPR / LPR | 12MP | 1" | 30° | Optional | Yes | C-Mount Lens | C Mount | Long distance, high resolution, precise detail |
| Smart Home | 4MP | 1/3" | 120° | 850nm | Yes | M12 Lens | M12 | Wide angle, compact size, cost-effective |
| Warehouse Monitoring | 8MP | 1/1.8" | 95° | 850nm | Yes |  Low Distortion Lens | M12 / C Mount | Low distortion, high clarity, large area coverage |
| Note: Specifications are typical values. Actual performance may vary depending on the lens model and system design. | ||||||||
Technical Capabilities
MTF Curve
High MTF performance delivers sharp, high-contrast images across the entire field of view.
Distortion Curve
Low distortion design ensures accurate image geometry for measurement and recognition.
Relative Illumination
High and uniform illumination from center to corner for consistent image brightness.
CRA Distribution
Optimized Chief Ray Angle (CRA) reduces color shift and improves image quality.
| Resolution | Sensor Size | Focal Length | FOV (D) | Distortion | IR Correction | Mount | Operating Temp. |
|---|---|---|---|---|---|---|---|
| 2MP – 12MP | 1/4" – 1" | 1.8mm – 50mm | 30° – 120° | < 1% | 850nm / 940nm | M12 / C-Mount | -40℃ ~ +85℃ |
Real Customer Applications
AI Face Recognition Camera
Deployed in 100,000+ units with stable high accuracy.
Smart City Surveillance Project
Operating in 200+ sites across multiple smart city projects.
ANPR for Traffic Management
Used in highway and urban roads, achieving high recognition rate.
Warehouse Monitoring System
Helping customers reduce loss and improve management efficiency.
Smart Home Security Camera
Shipped millions of units to global smart home brands.
How to Choose a Security Camera Lens
Sensor
Identify the sensor size and resolution.
Working Distance
Determine the distance between the camera and the target.
Field of View (FOV)
Define the coverage area you need to capture.
Focal Length
Select focal length based on FOV and working distance.
IR Correction
Choose IR wavelength (850nm / 940nm) for day & night use.
Lens Mount
Select the appropriate mount for your camera.
Suggested Lens
Get the best matched lens for optimal performance.
Typical Smart Security Systems
| Application | Requirements | Challenge | Solution | Recommended Specs | Benefits |
|---|---|---|---|---|---|
Face Recognition Used for access control, attendance, and identity verification. | High resolution Clear facial details Low distortion Excellent low-light performance | Night imaging and accurate recognition in varying lighting conditions. | IR Corrected Lens with high resolution and low distortion for day & night. | Resolution: 8MP Sensor: 1/2.8" IR: 940nm Focal Length: 4mm FOV (H): 80° | Higher recognition accuracy Clear images in low light Reduced false positives Reliable 24/7 performance |
Surveillance (CCTV) General monitoring for homes, businesses and public areas. | Wide field of view Day & night performance High reliability Cost-effective | Face detail loss at wide angles and poor night visibility. | Wide Angle IR Lens optimized for day & night with low distortion. | Resolution: 5MP Sensor: 1/2.7" IR: 850nm Focal Length: 2.8mm FOV (H): 110° | Wider coverage area Clear images day & night Ideal balance of performance and cost |
ANPR / LPR Automatic number plate recognition for parking and traffic management. | Long distance High resolution High contrast Low distortion | Capturing clear plate images at distance and high speed. | Telephoto Lens with high resolution for long distance recognition. | Resolution: 12MP Sensor: 1" IR: Optional Focal Length: 12mm FOV (H): 30° | Clear plate recognition at long distance High accuracy rate Stable performance on road |
PTZ / Speed Dome Used in large area monitoring with pan, tilt and zoom. | Zoom capability High resolution Fast focus Stable performance | Maintaining image clarity while zooming and in low light. | Motorized Varifocal Lens with IR correction for smooth zoom and sharp images. | Resolution: 8MP Sensor: 1/2.8" IR: 850/940nm Focal Length: 2.8~12mm FOV (H): 35° ~ 105° | Smooth zoom & focus Clear imaging in all lighting Reliable 24/7 monitoring |
Thermal / Bi-spectrum Thermal imaging for perimeter protection and fire detection. | IR transmission High contrast Thermal sensitivity Durable design | Ensuring IR performance and image clarity in harsh environments. | IR Optimized Lens for thermal cameras with high transmittance materials. | Resolution: Thermal Sensor: 384×288 / 640×512 Wavelength: 8~14μm Focal Length: 9mm / 13mm FOV (H): 24° / 17° | Detect in total darkness Early threat detection All-weather capability |
Security Vision Knowledge Center
Frequently Asked Questions
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