Description
Upgrade your surveillance infrastructure with our professional-grade 3MP 2.8-12mm varifocal CS-mount CCTV lens. Optimized for high-resolution 1/2.7″ sensors, this premium lens delivers crisp 3 Megapixel imaging with an impressive ultra-wide horizontal field of view stretching from 109° to 31°. Equipped with advanced IR corrected lens technology and a fast F1.4 aperture, it eliminates twilight blur and nighttime focus shift, making it the perfect choice for demanding commercial security systems.
Key Product Highlights
- Ultra-Wide 109° Horizon Coverage: Captures sprawling wide-angle overviews at 2.8mm and transitions smoothly to sharp 31° telephoto close-ups, drastically reducing surveillance blind spots.
- Pro-Grade 3MP HD Clarity: Engineered with premium optical glass to support 3 Megapixel sensors, delivering sharper details and superior facial recognition compared to standard 1080P lenses.
- Zero Focus Shift Day & Night: Specialized IR corrected lens coating ensures visible and infrared light focus on the exact same plane, guaranteeing sharp night vision without blur.
- Dynamic DC Auto Iris Response: The F1.4 large aperture is paired with a precision DC auto iris, automatically regulating light intake to prevent outdoor glare and maintain peak contrast.
Detailed Specifications
| Parameter | Specification |
|---|---|
| Image Format | 1/2.7″ |
| Focal Length | 2.8-12mm |
| Horizontal F.O.V. | 109° ~ 31° |
| Resolution | 3 Megapixel |
| Aperture | F1.4 |
| Mount Type | CS Mount |
| Iris Type | DC Auto Iris |
| Focus Control | Manual |
| Zoom Control | Manual |
| M.O.D. (Min. Object Distance) | 0.3m |
| Optical Coating | 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.
Applications & Compatible Equipment
This high-definition varifocal day&night lens is engineered for wide-area monitoring and high-traffic security applications. It is exceptionally well-suited for commercial property perimeters, logistics warehouses, corporate office lobbies, and outdoor parking lots where both expansive 109° wide-angle overviews and detailed 31° zoom-ins are critical. By deploying this zoom lens, security teams can easily monitor large entrances while retaining the flexibility to manually adjust the focal length to capture license plates or facial details at critical choke points without altering physical camera placements.
Compatible Equipment List:
- Sensors: Fully compatible with 1/2.7″, 1/2.8″, and 1/3″ mainstream CMOS/CCD imaging sensors.
- Security Cameras: Universally fits professional CS-mount box cameras, IP network cameras, and analog HD surveillance modules.
- Mainstream Brands: Seamlessly integrates with high-end box camera series from Hikvision, Dahua, Axis, Hanwha, and Bosch.
- Enclosures & Mounts: Fits standard weatherproof outdoor camera housings and internal fixed brackets without requiring any physical modifications.
“Designed for high-definition wide-angle day & night security surveillance applications.”
Frequently Asked Questions
- Q: Can I use this 3MP lens on a lower-resolution 2MP (1080P) camera?
- A: Yes. This lens is fully backward compatible. Using a 3MP lens on a 2MP sensor will actually deliver sharper contrast and better edge-to-edge image quality than using a standard 2MP lens.
- Q: Why is the 109° field of view beneficial for my security setup?
- A: A 109° horizontal field of view makes it a true wide angle lens. It allows a single camera to cover much wider areas, such as an entire storefront or intersection, reducing the total number of cameras needed for a project.
- Q: How does the manual zoom and focus system work on this lens?
- A: The lens features manual adjustment rings on the barrel. During installation, the technician manually sets the focal length between 2.8mm and 12mm to get the desired frame, fixes it with the lock screws, and then adjusts the focus for crystal-clear image sharpness.
- Q: What is the main benefit of an IR corrected lens in 24/7 monitoring?
- A: Visible light and Infrared (IR) light have different wavelengths. Standard lenses suffer from “focus shift” at night, causing the image to go blurry when IR lights turn on. This IR corrected lens keeps the image perfectly sharp in both day and night modes.
- Q: Will this lens work with an indoor camera that faces a bright window?
- A: Yes. Thanks to the integrated DC Auto Iris, the lens continuously adjusts its internal aperture to compensate for changing sunlight, preventing the image from becoming overexposed or washed out.
- Q: Does this lens require a C-mount adapter ring?
- A: No, this lens belongs to native CS-mount lenses and connects directly to CS-mount cameras. It will only require a 5mm adapter ring if you are trying to attach it to an older, native C-mount camera body.
