Hanwha Techwin SLA-M2890DN — 2.80 mm to 9 mm f/1.2 CS-Mount Zoom Lens for Surveillance Cameras

The Hanwha Techwin SLA-M2890DN is a premium CS-mount zoom lens built to elevate the performance of modern surveillance systems. With a versatile 2.8–9.0 mm focal range and a bright f/1.2 aperture, this lens delivers sharp, well-exposed imagery across a wide variety of lighting conditions. Its 3.2x optical zoom enables you to switch between broad scene coverage and tight details without compromising image clarity, making it ideal for entrances, lobbies, storefronts, parking areas, and perimeter views. Engineered for reliability in security environments, the SLA-M2890DN blends compact form with robust optics to provide consistent, high-quality footage from the first frame to the last. Whether you’re upgrading an existing setup or integrating with a new Hanwha Techwin/Wisenet system, this zoom lens offers the precision, speed, and flexibility that security professionals demand.

• Versatile focal range with bright aperture - The SLA-M2890DN covers 2.8–9.0 mm with an impressive f/1.2 maximum aperture, delivering bright, detailed footage even in challenging lighting. The 3.2x optical zoom lets you frame wide areas or zoom in on critical details without sacrificing image integrity, helping operators capture faces, license plates, and other essential identifiers with clarity.
• Top-tier image quality for surveillance - Designed specifically for surveillance cameras, this lens emphasizes sharpness, color accuracy, and contrast across the entire zoom range. Expect minimal distortion and consistent performance as you move from wide-angle perspectives to telephoto framing, ensuring reliable footage for review and evidence collection.
• Compact, durable CS-mount design - The SLA-M2890DN features a compact, rugged housing suitable for mounting on most CS-mount surveillance cameras. Its sturdy construction is built to withstand 24/7 operation in a range of environments, making it a practical long-term upgrade for security installations without bulky add-ons or complicated wiring.
• Easy integration and installation - With a standard CS-mount interface, this lens drops into existing camera rigs quickly, enabling fast deployment and minimal downtime. It supports smooth lens replacement and straightforward alignment with your camera sensor, helping you maintain consistent focal alignment and focus performance across your system.
• Flexible applications for diverse environments - From high-traffic entryways to dimly lit parking structures and storefront facades, the SLA-M2890DN adapts to multiple surveillance scenarios. The combination of wide-angle coverage and zoom-in capability gives security teams the power to monitor broad areas and capture essential detail as conditions require.

Technicals Details of SLA-M2890DN

• Focal Length: 2.8–9.0 mm
• Maximum Aperture: f/1.2
• Optical Zoom: 3.2x
• Mount: CS Mount
• Designed For: Surveillance cameras
• Compatibility: Standard CS-mount surveillance systems

How to install SLA-M2890DN

• Power off your camera system and disconnect power to prevent any electrical mishaps during installation.
• Carefully remove the existing lens from the CS-mount camera, noting the back focal length and alignment reference marks to ensure precise replacement.
• Attach the SLA-M2890DN to the CS-mount housing, aligning the lens with the sensor plane. Hand-tighten the mount ring to secure the lens without over-tightening.
• If your camera supports iris or zoom control via external connections, connect any compatible control cables or interfaces according to the camera’s documentation.
• Power the system back on and perform a thorough zoom and focus adjustment. Verify that the full focal range maintains sharpness and that the focus remains accurate across different zoom positions with your camera’s autofocus or manual focus workflow.

Frequently asked questions

Q: What focal length range does the SLA-M2890DN cover?
A: It spans 2.8 mm to 9.0 mm, offering flexible viewing from wide-angle scenes to mid-telephoto detail.

Q: What is the maximum aperture of this lens?
A: The lens features an f/1.2 maximum aperture, supporting improved low-light performance and better exposure control in challenging lighting conditions.

Q: Which camera mount is used?
A: It uses a CS Mount, designed for compatibility with most CS-mount surveillance cameras.

Q: Is the SLA-M2890DN suitable for professional security installations?
A: Yes. Its combination of a bright aperture, versatile zoom, and compact CS-mount design makes it well-suited for a wide range of commercial and security applications, from retail to corporate environments.

Q: Does it support auto iris or motorized zoom?
A: The SLA-M2890DN is designed for integration with CS-mount cameras and standard lens control schemes. For auto iris or motorized control, confirm compatibility with your specific camera model and lens controller.