Description
The 15-45mm F1.0 CS-Mount Varifocal CCTV Lens is engineered for high-precision, long-range surveillance and intelligent traffic systems. Featuring a super-large F1.0 aperture and a 1/2″ image format, this premium IR corrected lens delivers exceptional light throughput and razor-sharp 1.3MP clarity under extreme low-light environments. Its versatile 15-45mm manual zoom range allows operators to seamlessly transition from mid-range monitoring to narrow-angle long-distance tracking without compromising image stability.
Key Product Highlights
- Ultra-Large F1.0 Aperture: Captures maximum light intake to ensure vivid, full-color imaging in ultra-low light conditions without relying on heavy artificial illumination.
- 3X Varifocal Flexibility: The 15-45mm manual zoom and a 15° to 5° horizontal field of view provide precise target framing and long-range details.
- Flawless Day & Night Focus: Advanced IR corrected optics eliminate focus shift when transitioning between visible light and infrared illumination.
- Smart DC Auto Iris: Automatically adapts to fast-changing outdoor lighting conditions to protect sensors from overexposure and maintain consistent image contrast.
Technical Specifications
| Parameter | Specification |
|---|---|
| Image Format | 1/2″ |
| Focal Length | 15-45mm |
| Horizontal F.O.V. | 15° ~ 5° |
| Resolution | 1.3 Megapixel (1.3MP) |
| Aperture | F1.0 |
| Mount Type | CS-Mount |
| Iris Type | DC Auto Iris |
| Focus Control | Manual |
| Zoom Control | Manual |
| M.O.D. (Min. Object Distance) | 0.5m |
| Infrared (IR) Specification | IR Corrected |
This product is certified by RoHS and ISO9001 quality management system, supports third-party testing, and complies with EU and domestic security equipment access standards, ensuring reliable quality and full compliance.
Target Applications & Compatible Equipment
Core Application Scenes
This professional-grade Varifocal Day & Night Lens is optimized for high-demand imaging environments that require a combination of narrow-angle tracking and low-light performance. It is widely applied in Intelligent Traffic Systems (ITS) for license plate recognition at highway toll gates, urban intersection surveillance, and perimeter intrusion detection at critical infrastructure sites. Its F1.0 aperture and 0.5m minimum object distance also make it highly effective for logistics tracking, railway track inspection, and specialized machine vision lens applications where lighting conditions fluctuate significantly between day and night.
Compatible Device Checklist
- Sensors & Formats: Fully compatible with 1/2″, 1/2.8″, and 1/3″ mainstream CMOS and CCD image sensors.
- Camera Bodies: Fits all industrial and security cameras equipped with a standard CS-mount interface.
- Security Brands: Ideal for box cameras from Hikvision, Dahua, Axis, and Hanwha Techwin that support DC Auto Iris driving.
- Industrial Automation: Integrates smoothly with machine vision housings, smart traffic enclosures, and IoT edge AI cameras.
- Customization: Supports bespoke modifications for specific focal locks or focal lengths to match your precise OEM/ODM deployment requirements.
“Designed for Intelligent Traffic Systems (ITS) and Low-Light Security Surveillance applications.”
Frequently Asked Questions
- Q: Does this 15-45mm lens lose focus when switching from daytime to night infrared mode?
- A: No. This lens is fully IR corrected. It features specialized optical coatings that align visible and infrared light paths to the same focal plane, ensuring no focus shift occurs during day/night transitions.
- Q: Can this CS-mount lens be used on a C-mount camera body?
- A: No, a native CS-mount lens cannot be easily adapted to a C-mount camera because its flange focal distance is shorter. It is strictly designed for CS-mount cameras.
- Q: What are the main benefits of the F1.0 aperture on this CCTV lens?
- A: The F1.0 ultra-large aperture allows a massive amount of light to reach the sensor. This dramatically improves low-light performance, reducing image noise and enabling color video recording even in dark environments.
- Q: How does the DC Auto Iris function work on this lens?
- A: The camera body controls the lens’s iris automatically via a standard DC iris cable. It adjusts the aperture opening dynamically based on ambient light levels to prevent overexposure under direct sunlight.
- Q: Is this lens suitable for high-speed license plate recognition (LPR)?
- A: Yes. The combination of a 1.3MP resolution, narrow 5° F.O.V. capability, and a fast F1.0 aperture makes it excellent for capturing clear images of moving vehicles in ITS lens applications.
- Q: What is the Minimum Object Distance (M.O.D.) for this lens?
- A: The Minimum Object Distance is 0.5 meters, meaning targets as close as 50 cm to the front element can be brought into sharp focus manually.
