Hikvision DS-2DF8C842IXS-AELW 8MP (4K) PTZ Camera, 42x Zoom, up to 500m IR, IP66, IK10, Hi-PoE/24VAC
The Hikvision DS-2DF8C842IXS-AELW is an 8 MP (4K) DarkFighter PTZ speed dome with a 42x optical zoom and infrared to 500 metres, built for long-range tracking across airports, highways, ports and other large sites. On-camera deep learning classifies people and vehicles and drives smart auto-tracking, while a built-in gyroscope steadies the picture at full zoom.
Key points
- 8 MP 4K (3840 x 2160) on a 1/1.2" sensor
- 42x optical zoom (7.5 to 315 mm) plus 16x digital
- Smart IR to 500 metres; image is black and white under IR at night
- DarkFighter low-light imaging; 120 dB WDR
- Human and vehicle detection with smart auto-tracking
- 360-degree endless pan; 300 presets; built-in gyroscope
- IP67 and IK10 metal body; PoE 802.3bt or 24 VAC; microSD to 256 GB
inc GST + 3 Year Warranty & Support
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§ 01Overview
What the DS-2DF8C842IXS-AELW is
The Hikvision DS-2DF8C842IXS-AELW is an 8 MP 4K DarkFighter PTZ speed dome made for watching, and reaching across, very large sites such as airports, highways, ports and critical infrastructure.
A 1/1.2" sensor records 3840 x 2160 video, and the 42x optical zoom (7.5 to 315 mm) lets one camera hold a wide overview and then close in on a face or a number plate far down the site.
DarkFighter low-light technology keeps a usable picture as light fades, and 120 dB Wide Dynamic Range balances a bright sky against shaded ground.
The smart movement is the reason to fit a PTZ at this level.
On-camera deep learning labels people and vehicles, so auto-tracking can lock onto a target and follow it across the scene, and line-crossing and intrusion rules alarm on real targets rather than wind or weather.
A built-in gyroscope steadies the image at full zoom, where the smallest vibration is magnified, and 300 presets with patrol and pattern scans let the camera tour a fixed set of views on a schedule.
The 360-degree endless pan leaves no blind spot around the mount, and face capture plus vehicle attribute reading suit identity-aware and traffic monitoring.
Plan for the night picture and the power.
Smart IR reaches up to 500 metres, but like any infrared camera the image is black and white in the dark, not colour; the DarkFighter sensor only holds colour while some ambient light remains.
The metal housing is rated IP67 against dust and water and IK10 against impact, with a heater, demist and rain-sensing wiper for harsh weather.
It is a high-power camera that runs on PoE 802.3bt (PoE++)or a 24 VAC supply, so a standard NVR PoE port is not enough on its own.
Records to a high-bandwidth Hikvision NVR or to a microSD card up to 256 GB.
See it in action
What the DS-2DF8C842IXS-AELW features actually look like
Representative illustrations of how each key feature performs in a real scene.
8MP Ultra HD
Even when a person or car is far down the driveway, you can zoom in and still recognise a face or read a number plate — detail that lower-resolution cameras lose.
Human/Vehicle Detection
IP67 Weatherproof
Illustrative — simulated for demonstration
§ 02Engineering
DS-2DF8C842IXS-AELW specifications
- 42x optical zoom (7.5 to 315 mm) plus 16x digital zoom
- Smart IR to 500 m; the night image is black and white under infrared
- DarkFighter low-light imaging, 120 dB WDR, HLC, BLC and 3D DNR
- Human and vehicle detection with smart auto-tracking
- Face capture and vehicle attribute reading for identity and traffic work
- 360-degree endless pan, 300 presets, patrol and pattern scans
- Built-in gyroscope (EIS); IP67 and IK10 body, heater, demist and wiper
§ 03Full datasheet
Detailed specifications
Camera & Image
| Feature | Detail |
|---|---|
| Image Sensor | 1/1.2" progressive scan CMOS |
| Min. Illumination | Color: 0.002 Lux @(F1.6, AGC ON), B/W: 0.0002 Lux @(F1.6, AGC ON), 0 Lux with IR |
| Shutter Speed | 1/1 s to 1/30,000 s |
| Slow Shutter | yes |
| Focus | semi-auto, manual, auto |
| Day & Night | ICR |
| Day/Night Switch | day, night, auto, scheduled-switch |
| BLC | yes |
| WDR | 120 dB WDR |
| HLC | yes |
| 3D DNR | yes |
| Defog | yes |
| EIS | Yes. Built-in gyroscope to improve EIS performance. |
| Regional Exposure | yes |
| Regional Focus | yes |
| Image Settings | saturation, brightness, contrast, sharpness |
| White Balance | auto, ATW, sodium lamp, fluorescent lamp, indoor, outdoor, MWB |
| Digital Zoom | 16 × |
| Optical Zoom | 42 × |
| Privacy Mask | up to 24 masks, polygon region, mosaic mask, mask color configurable |
| SNR | ≥ 55 dB |
| General Function | mirror, password protection, video tampering alarm, watermark, IP address filter |
| Optical Defog | yes |
| Max. Resolution | 3840 × 2160 |
Lens & Distance
| Feature | Detail |
|---|---|
| Focal Length | 7.5mm to 315mm, 42 × Optical |
| Zoom Speed | approx. 7.5 s |
| FOV | Horizontal field of view: 60.4° to 1.7° (wide-tele), Vertical field of view: 36.2° to 0.9° (wide-tele), Diagonal field of view: 67.8° to 2.2° (wide-tele) |
| Aperture | F1.6 |
| Movement Range (Pan) | 360° |
| Movement Range (Tilt) | -20° to 90° (auto flip) |
| Pan Speed | pan speed: configurable from 0.1° to 210°/s; preset speed: 280°/s |
| Tilt Speed | tilt speed: configurable from 0.1° to 150°/s, preset speed 250°/s |
| Proportional Zoom | yes |
| Presets | 300 |
| Patrol Scan | 8 patrols, up to 32 presets for each patrol |
| Pattern Scan | 4 pattern scans, record time over 10 minutes for each scan |
| Power-off Memory | yes |
| Park Action | preset, pattern scan, patrol scan, auto scan, tilt scan, random scan, frame scan, panorama scan |
| 3D Positioning | yes |
| PTZ Status Display | yes |
| Preset Freezing | yes |
| Scheduled Task | preset, pattern scan, patrol scan, auto scan, tilt scan, random scan, frame scan, panorama scan, dome reboot, dome adjust, aux output |
| DORI Distance | Detect 4137.9 m (13575.8 ft); Observe 1642 m (5387.1 ft); Recognize 827.6 m (2715.2 ft); Identify 413.8 m (1357.6 ft) |
Night Vision
| Feature | Detail |
|---|---|
| IR Distance | 500 m |
| Smart IR | yes |
Video
| Feature | Detail |
|---|---|
| Main Stream | 50 Hz: 25 fps (3840 × 2160, 2560 × 1440, 1920 × 1080, 1280 × 960, 1280 × 720); 60 Hz: 30 fps (3840 × 2160, 2560 × 1440, 1920 × 1080, 1280 × 960, 1280 × 720), |
| Sub-Stream | 50 Hz: 25 fps (704 × 576, 640 × 480, 352 × 288) 60 Hz: 30 fps (704 × 480, 640 × 480, 352 × 240) |
| Third Stream | 50 Hz: 25 fps (1920 × 1080, 1280 × 960, 1280 × 720, 704 × 576, 640 × 480, 352 × 288) 60 Hz: 30 fps (1920 × 1080, 1280 × 960, 1280 × 720, 704 × 480, 640 × 480, 352 × 240) |
| Video Compression | H.265, H.264, MJPEG |
| Video Bit Rate | 32 Kbps to 16384 Kbps |
| H.264 Type | baseline profile, main profile, high profile |
| H.265 Type | main profile |
| H.264+ | yes |
| H.265+ | yes |
| SVC | yes |
| ROI | dynamic face tracking, fixed region, dynamic license plate tracking |
Audio
| Feature | Detail |
|---|---|
| Audio Compression | G.711alaw, G.711ulaw, G.722.1, G.726, MP2L2, PCM |
| Audio Bit rate | 64 Kbps (G.711)/16 Kbps (G.722.1)/16 Kbps (G.726)/32 Kbps to 192 Kbps(MP2L2) |
AI & Deep Learning
| Feature | Detail |
|---|---|
| Face Capture | Support detecting up to 30 faces at the same time. Support detecting, tracking, capturing, grading, selecting of face in motion, and output the best face picture of the face. |
| Face Comparison | yes |
| Road Traffic | Support vehicle detection (license plate number, vehicle model, and vehicle color recognition) |
| Smart Tracking | manual tracking, auto-tracking, event tracking, support patrol tracking among multiple detection scenes |
| Smart Record | ANR, Dual-VCA |
| Perimeter Protection | Line crossing, intrusion, region entrance, region exiting | Support alarm triggering by specified target types (human and vehicle) |
Network & Storage
| Feature | Detail |
|---|---|
| Network Storage | NAS (NFS, SMB/ CIFS) |
| Protocols | IPv4/IPv6, HTTP, HTTPS, 802.1x, Qos, FTP, SMTP, UPnP, SNMP, DNS, DDNS, NTP, RTSP, RTCP, RTP, TCP/IP, DHCP, PPPoE, UDP, IGMP, ICMP, Bonjour |
| API | Open-ended API, ONVIF (Profile S, Profile G), ISAPI, Hikvision SDK, Third-party management platform, ISUP |
| Simultaneous Live View | Up to 20 channels |
| User/Host | Up to 32 users. 3 levels: Administrator, Operator and User |
| Smooth Streaming | yes |
| Security Measures | Authenticated username and password, MAC address binding, HTTPS encryption, 802.1X authenticated access, IP address filter |
| Client | iVMS-4200, Hik-Connect, HikCentral |
| Web Browser | IE 10+, Chrome 57+, Firefox 52+, Safari 12+ |
Event & Alarm
| Feature | Detail |
|---|---|
| Basic Event | motion detection, video tampering alarm, alarm input and output, exception |
| Smart Event | unattended baggage detection, object removal detection, intrusion detection, line crossing detection, region entrance detection, region exiting detection, audio exception detection, vandal-proof alarm |
| Alarm Linkage | preset, patrol scan, pattern scan, memory card video recording, alarm output, sending email, notify surveillance center, upload to FTP, NAS video recording |
Interface
| Feature | Detail |
|---|---|
| Communication Interface | RJ45, Self-adaptive 10M/100M Ethernet port |
| On-board Storage | Built-in memory card slot, support Micro SD/Micro SDHC/Micro SDXC, up to 256 GB; NAS (NFS, SMB/ CIFS), ANR |
| Alarm Input | 7 alarm inputs |
| Alarm Output | 2 alarm outputs |
| Audio Input | 1 audio input, 2.0 to 2.4Vp-p, 1k Ohm±10% |
| Audio Output | 1 audio output, line level, impedance: 600 Ω |
| Video Output | 1.0V[p-p]/75Ω, PAL, NTSC, BNC connector |
| RS-485 | HIKVISION, Pelco-P, Pelco-D, self-adaptive |
General & Environment
| Feature | Detail |
|---|---|
| Power | 24 VAC (Max. 60 W, including max. 15 W for IR and max. 8 W for heater), PoE 802.3 bt (Max. 51 W, including max. 15 W for IR and max. 8 W for heater) |
| Operating Conditions | Temperature: -40°C to 70°C (-40°F to 158°F), Humidity: ≤ 95% |
| Wiper | Yes. Rain-sensing auto control |
| Material | ADC12 |
| Dimensions | Φ 267 mm × 430 mm (Φ 10.51" × 16.93") |
| Weight | Approx. 9.6 kg (21.16 lb.) |
| Web Client Language | 32 languages: English, Russian, Estonian, Bulgarian, Hungarian, Greek, German, Italian, Czech, Slovak, French, Polish, Dutch, Portuguese, Spanish, Romanian, Danish, Swedish, Norwegian, Finnish, Croatian, Slovenian, Serbian, Turkish, Korean, Traditional Chinese, Thai, Vietnamese, Japanese, Latvian, Lithuanian, Portuguese (Brazil) |
| Protection | Lightning Protection, Surge Protection and Voltage Transient Protection, ±6kV Line to Gnd, ±3kV Line to Line, IEC61000-4-5, IP67 Standard, IK10 (excluding glass window) |
§ 04Why choose this
Built for the way you actually use the DS-2DF8C842IXS-AELW
Tracks real targets, not weather
Human and vehicle detection drives smart auto-tracking and keeps perimeter alarms to people and vehicles, cutting false alerts from wind, rain and animals.
4K detail for faces and plates
8 MP resolution with face capture and vehicle attribute reading suits airports, highways and access points where identity and number plates matter.
Built to stay sharp outdoors
IP67 and IK10 housing with heater, demist and a rain-sensing wiper, plus a gyroscope that steadies the long-zoom image in wind.
§ 05Where it fits
Right at home in these scenarios
Airports and transport hubs
Cover a wide apron or forecourt and zoom onto a gate, aircraft stand or vehicle, with auto-tracking following anything that crosses a line.
Highways and traffic
Watch a long stretch of road from one high mount, read vehicle details at distance and follow incidents as they move.
Ports, yards and logistics
Sweep a large container yard for an overview, then close in on a gate, truck or container number across hundreds of metres.
Critical infrastructure perimeters
Patrol a set of preset views around a plant or substation and lock onto a person or vehicle that enters a restricted zone at night.
§ 06Setup
Installation & setup
In the box
PTZ speed dome, mounting hardware and the printed guide. A wall, pole or pendant bracket and the power supply are chosen to suit the site and bought separately.
Power and cabling
Plan for PoE 802.3bt or a 24 VAC supply; a standard NVR PoE port will not run it. Run network back to the recorder and keep cable runs within Ethernet limits or use a fibre or media-converter link for long distances.
Mounting
Fit it on a solid pole or a rated wall or pendant bracket at a height that clears obstructions for the long zoom. A steady mount matters because any sway is magnified at 42x.
Setup
Set presets, patrols and the tracking and perimeter rules in the web interface or your NVR, and aim the IR for the lane or zone you most need at night.
§ 07Questions
Frequently asked about the DS-2DF8C842IXS-AELW
Q.01
How far can the DS-2DF8C842IXS-AELW see at night?
Q.02
Does it detect and follow people and vehicles by itself?
Q.03
How is it powered, and can I run it from my NVR?
Q.04
What is the real IP rating, IP66 or IP67?
Q.05
Can it read number plates and capture faces?
Q.06
Will the picture be shaky at full zoom?
Q.07
What can I record it to?
§ 09Bundles
Recommended packages
Match it to a high-bandwidth NVR
An 8 MP 4K PTZ needs recording throughput. Pair it with the DS-7732NI-M4/24P 32-channel NVR for multi-camera sites, or the DS-9632NI-M8 8-bay NVR where you need more storage bays and bandwidth.
Add surveillance storage
Fit a 8TB surveillance hard drive or a 10TB surveillance hard drive rated for continuous recording so the 4K stream is not lost to a desktop drive.
Compare PTZ options
Need less reach for a smaller site? The DS-2DF5225X-AE3 25x PTZ is a lighter mid-range option, while the DS-2DF9C848LXG-LW 48x laser PTZ goes further with laser night vision to 800 m.
