Description
This 3MP varifocal CS-mount CCTV lens delivers 2.8-12mm manual zoom, F1.4 large aperture, 113°-28° wide angle coverage and IR correction for day-night surveillance. Ideal for security cameras, industrial vision, ITS and smart home devices, it ensures sharp imaging in low light and compact installation.
Key Product Highlights
- 113° Ultra Wide Angle & 2.8-12mm Varifocal：One lens covers wide overview and long-distance detail, no frequent lens replacement needed.
- F1.4 Large Aperture：Brighter imaging in low light, clearer night vision without overexposure.
- CS-Mount Standard & IR Corrected：Perfect fit for most CCTV/industrial cameras, stable day-night imaging.
- 3MP High Resolution：Sharp details for surveillance, machine vision and ITS capture.
Detailed Specifications
| Item | Specification |
|---|---|
| Image Format | 1/2.7″ |
| Focal Length | 2.8-12mm |
| Horizontal F.O.V. | 113°~28° |
| Resolution | 3 Megapixel |
| Aperture | F1.4 |
| Mount | CS |
| Iris | DC Auto |
| Focus | Manual |
| Zoom | Manual |
| B.F.L. | 8-16.8mm |
| M.O.D. | 0.3m |
| IR Correction | Yes |
This product is RoHS certified, manufactured under ISO9001 quality control, supports third-party testing, and complies with EU and domestic security equipment access standards.
Applications & Compatible Devices
This CS-mount varifocal IR lens is widely used in indoor/outdoor CCTV surveillance, smart video doorbells, community access control, ITS traffic monitoring, factory automation FA inspection, machine vision systems and compact security cameras. It performs reliably in narrow spaces and low-light environments, providing flexible viewing angles to meet multi-scenario monitoring needs.
Compatible with 1/2.7″, 1/3″ mainstream CMOS sensors, it fits Hikvision, Dahua analog/IP camera modules, Tuya IoT cameras, smart home doorbells and industrial vision devices. It supports customized focal length and FOV for different project requirements.
FAQs
Q: Is this lens compatible with C-mount cameras?
A: It works with C-mount cameras via a 5mm CS-to-C adapter ring.
Q: Does it support day-night switching?
A: Yes, IR corrected design ensures clear imaging day and night.
Q: What is the minimum object distance?
A: MOD is 0.3m, suitable for close-range monitoring and detection.
Q: Is the aperture auto or manual?
A: DC auto iris adjusts brightness automatically for changing light.
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