Hikvision DS-2CD3A26G2T-IZS 2 MP AcuSense Motorised Varifocal Bullet, 4.7-71 mm

Introduction: what the Hikvision DS-2CD3A26G2T-IZS is and its key features

The Hikvision DS-2CD3A26G2T-IZS is a 2 MP IP bullet camera built for long-range perimeter and site monitoring. Combining a 1/2.8" progressive CMOS sensor, DarkFighter low-light performance and Hikvision’s AcuSense deep-learning classification, it offers clear recognition at distance and reduced false alarms. The motorised 4.7 6 mm to 71 mm varifocal lens (15 optical zoom) provides flexible framing and remote zooming, while rugged weather- and vandal-resistance (IP67, IK10) make it suitable for demanding outdoor installations.

Key features at a glance

• 2 MP (1920 1080) progressive sensor for high-definition monitoring
• Motorised varifocal lens 4.7 6 mm (15 optical zoom) for long-range recognition
• DarkFighter technology: colour images at extremely low light levels
• AcuSense deep-learning human and vehicle classification plus face capture
• Smart IR up to 150 m (850 nm) and H.265+/H.265/H.264+ compression
• PoE (802.3af) support with 12 VDC / 24 VAC options and on-board microSD storage
• Ruggedised for outdoor use: IP67 weatherproofing and IK10 vandal resistance

Detailed specifications and the benefits they deliver

• Sensor & resolution:1/2.8" progressive CMOS delivering 1920 1080 (2 MP). Benefit: sharp, progressive-scan images ideal for moving subjects and licence-plate or face recognition at moderate distances.
• Lens & optical zoom:Motorised varifocal 4.7 6 mm (15 optical). Benefit: remote adjustment of field of view from wide to very narrow without physically replacing the lens — useful for commissioning and when camera coverage needs change.
• Field of view & aperture:Horizontal FOV from 57.7 to 3.66 and aperture around F1.6. Benefit: good low-light light-gathering capability and options to trade off scene coverage versus detail on distant targets.

• DarkFighter low-light technology:colour imaging down to 0.002 Lux (F1.4, AGC ON). Benefit: retains colour detail in dim scenes, which helps recognition and situational awareness without relying on IR in every case.
• IR & smart IR:850 nm with up to 150 m range. Benefit: reliable long-range night vision for perimeter fences, parking lots and access roads; smart IR reduces overexposure of close objects.

• Compression:H.265+/H.265/H.264+/H.264 and multiple streams. Benefit: efficient bandwidth and storage use while maintaining image quality across live, recording and remote-view streams.
• Image enhancements:120 dB WDR, BLC, HLC, 3D DNR. Benefit: better performance in scenes with glare, strong backlight or noise in low light.
• AcuSense analytics:on-board deep-learning classification for humans and vehicles and face capture. Benefit: fewer false alarms from animals, foliage, or lighting changes and more actionable alerts when a person or vehicle is detected.

• Local storage:microSD up to 256 GB with ANR support. Benefit: resilient recording when network connectivity is interrupted.
• Network protocols & ONVIF:TCP/IP, HTTP(S), RTSP/RTP, DHCP, SMTP, NTP, IPv6 and ONVIF Profile S/G/T. Benefit: integration with NVRs, VMS platforms and third-party systems.
• Power:PoE (802.3af) supported; 12 VDC / 24 VAC options; max consumption ~13 W. Benefit: simplifies cabling using PoE or provides alternative power sources where needed.

• Ingress & impact:IP67 (dust/waterproof) and IK10 vandal resistance. Benefit: robust for exposed locations and areas at risk of impact or tampering.
• Operating temperature:30 °C to 60 °C. Benefit: suitable for a wide range of climates and outdoor environments.

Use cases and scenarios where the camera excels

The DS-2CD3A26G2T-IZS is optimised for situations that require long-range recognition, reliable classification and robust physical protection:

• Perimeter security for large sites:industrial complexes, power stations and logistics depots benefit from the 15x optical zoom and 150 m IR, which allow operators to identify people and vehicles far from the camera position.
• Entrance and access control:driveways, gates and vehicle entry points where the camera’s AcuSense classification can generate priority alerts for vehicles or people while reducing nuisance alarms from animals or vegetation.
• Highway and roadside monitoring:fixed installations overlooking access roads or secondary highways where long-range detail and reliable night performance are required.
• Critical infrastructure and perimeters:airports, ports and utilities where rugged IP67/IK10 hardware is necessary and analytics must prioritise human or vehicular incursions.
• Commercial estates and retail parks:monitoring large carparks and service yards where PoE simplifies deployment and AcuSense reduces false events for smoother operations.

How it compares with similar products on the market

When evaluating the DS-2CD3A26G2T-IZS, consider three main axes: optical reach and flexibility, analytics (classification), and low-light performance.

• Versus fixed-lens 2 MP cameras:The motorised 15 zoom provides far greater flexibility for changing scenes or when detail at distance matters. Fixed-lens cameras can be cheaper but may need replacement or manual adjustment to change coverage.
• Versus other Hikvision models:Some Hikvision lines prioritise higher resolution (4 MP or 8 MP) or specialised AI features. The DS-2CD3A26G2T-IZS balances long-range optics with AcuSense classification at 1080p, which is often a preferred trade-off when recognition range and analytics reliability matter more than ultra-high pixel counts.
• Versus Dahua WizSense-type offerings:Dahua’s WizSense also offers edge-based human/vehicle classification. The choice often comes down to regional support, preferred VMS compatibility and which deep-learning model suits specific environments. Both approaches reduce false alarms compared with traditional motion detection, but nuances in detection thresholds and integration will vary by vendor.
• Versus premium manufacturers (Axis, Bosch):Axis and Bosch cameras may offer different strengths such as specialised lenses, higher-quality encoders or broader cybersecurity features. The Hikvision model typically offers strong value with long zoom range and AcuSense analytics at a competitive price point.

Conclusion: why choose the DS-2CD3A26G2T-IZS?

The Hikvision DS-2CD3A26G2T-IZS is a strong choice when you need a rugged, long-range IP bullet camera with flexible optics and edge-based analytics to reduce false alarms. Its combination of a 15 motorised varifocal lens, DarkFighter low-light capability and AcuSense human/vehicle classification makes it particularly well suited to perimeter protection, entrance monitoring and other outdoor installations where distance, night performance and event accuracy matter.

Before purchasing, verify current stock and warranty terms, ensure compatibility with your VMS/NVR platform and consider professional installation for optimal alignment, power provisioning and network integration. For projects that require long-range detail plus intelligent filtering of alarms, the DS-2CD3A26G2T-IZS offers a balanced set of features and ruggedness that typically deliver strong operational value.