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Dahua IPC-HFW7859Z1-Z7-PV-X-ATC
Bullet Camera with 8.3MP (3840×2160) resolution, 43° field of view, and 150m IR night vision range. Features Super Low Light technology for superior night performance.
SPECIFICATIONS · IPC-HFW7859Z1-Z7-PV-X-ATC
Specifications
About the Dahua IPC-HFW7859Z1-Z7-PV-X-ATC
The Dahua IPC-HFW7859Z1-Z7-PV-X-ATC is a long-distance bullet body that mounts cleanly under eaves, on poles, or along fencelines. At 8MP the camera covers more area per device while preserving enough pixels-per-meter for legal evidence quality at typical installation distances. An IR reach above 80 m is unusual for the format and is intended for highway monitoring, large industrial sites, and airport perimeters where conventional cameras would simply lose the target after dark. A narrow field of view trades coverage area for pixel density at distance — the right choice when you need to read faces or plates far from the camera, e.g., long corridors, gate approaches, ANPR installations. The Super Low Light sensor is the feature most installers care about for residential and parking-lot use — it preserves identification detail when older cameras lose all color and most contour.
Best use cases for this camera
Outdoor perimeter & fenceline
With 150m IR reach and 8.3MP (3840×2160) resolution, this camera covers fences, yards, and approach roads in complete darkness. Mount on poles or eaves at 4–6 m height angled slightly downward.
Entrance, lobby & vestibule
Low-light sensitivity preserves face detail even when interior lighting is dimmed for energy savings. Useful for capturing visitors as they enter and leave.
Long corridor & aisle monitoring
The 43° narrow angle is intentionally tuned for corridor work — it concentrates pixel density along the length of the hallway rather than wasting resolution on the side walls. Mount at the far end facing along the corridor.
License plate / ANPR
The combination of 43° narrow angle and 8.3MP (3840×2160) resolution provides the pixel density required for ANPR at typical lane widths, especially when paired with proper lane lighting and perpendicular mounting.
Strengths
- •8.3MP sensor preserves detail under digital zoom on recorded footage
- •150m IR range eliminates the need for external night-time illuminators
- •Super Low Light sensor maintains color detail in near-darkness
- •39m effective range supports outdoor perimeter and parking-lot deployments
Considerations
- •Narrow angle requires more cameras to cover wide areas — plan camera count accordingly
- •Higher resolution increases storage and bandwidth requirements proportionally — verify NVR capacity
Coverage at Different Distances
| Distance | Coverage Width | Coverage Area | Use Case |
|---|---|---|---|
| 5m | 3.9m | 20 m² | Entrance, corridor |
| 10m | 7.9m | 79 m² | Room, retail aisle |
| 15m | 11.8m | 177 m² | Warehouse, parking row |
| 20m | 15.8m | 315 m² | Parking row, courtyard |
| 30m | 23.6m | 709 m² | Parking lot, yard |
| 50m | 39.4m | 1970 m² | Perimeter, large area |
Field of View Visualization
Night Vision Performance
Daytime
Full 8.3MP (3840×2160) resolution at 43° field of view. Effective identification range up to 150m in good lighting conditions.
Nighttime (IR)
Built-in IR LEDs illuminate up to 150m in complete darkness. Super Low Light sensor captures colour images in near-darkness.
Installation tips for the IPC-HFW7859Z1-Z7-PV-X-ATC
Mount at 4–6 m height angled 10–20° downward — high enough to deter tampering, low enough to preserve face detail at 27m.
Avoid mounting under direct ceiling lights or behind glass — both reflect IR back into the lens and create severe glare in the image.
Plan cabling for multiple cameras to cover wide areas — at 43° you cover roughly 8 m of width per camera at 10 m distance.
Plan storage at roughly 33 GB per camera per day for continuous H.265 recording at 15fps — verify NVR has sufficient HDD bay capacity.
Coverage geometry & DORI distances
At a 5-metre standoff the Dahua IPC-HFW7859Z1-Z7-PV-X-ATC covers about 3.9 m of scene width; at 10 m that grows to 7.9 m, and at 20 m to 15.8 m. Translating those numbers through EN 62676-4 pixel-density thresholds, the camera can detect a person up to 195 m, observe up to 78 m, recognise up to 39 m, and produce identification-grade detail (the ≥250 px/m bar used by Polish and EU courts as evidentiary) up to 20 m. Effective range above the identify threshold relies on supplementary lighting or a longer-focal-length optic — the geometry above assumes the 8-56mm lens declared by the manufacturer.
Power & cabling
The Dahua IPC-HFW7859Z1-Z7-PV-X-ATC draws an estimated 12.0 W under typical load (with the IR illuminator engaged where applicable), placing it in the 802.3af (Class 3, ≤15.4 W) budget. A single switch port supplies enough power without an injector. Cabling: stick to Cat6 STP for runs up to 100 m end-to-end — beyond that, add an inline PoE extender or move to fibre with a media converter at the camera end. On outdoor runs, route through ø25 PVC or PE conduit to keep the cable shielded from UV and rodents.
Privacy & legal (GDPR / RODO)
Any camera operating in a publicly accessible area falls under GDPR (RODO in Poland) — Art. 13 obliges the data controller to post an information sign at every entry point with controller name, DPO contact, lawful basis (typically Art. 6(1)(f) legitimate interest for property protection), purpose, and retention period. Even a narrowly-aimed bullet camera can incidentally record passers-by, so the Art. 13 sign at the entry point applies regardless of how tightly the lens is framed.
Installer time & cost (rough estimate)
A typical EU installer quotes 3–4 h of labour per bullet camera of this class (approximately €135–€185 excluding hardware), broken down as bracket mounting, cable termination at both ends, on-site commissioning, and a brief operator handover. Allow extra time for high mounts (>4 m), exterior installations requiring scaffolding, or sites where cable routing demands wall penetrations or conduit work.
Indicative EU 2024-2025 pricing — actual quotes vary by region, mounting height, and site conditions. Excludes hardware, transport, permits, and VAT.
Frequently asked questions
Is the Dahua IPC-HFW7859Z1-Z7-PV-X-ATC suitable for outdoor installation?
Yes for the IP66/IP67-rated variant of this model. Bullet and dome bodies in the Dahua range survive direct rain, snow and UV; check the IP / IK rating against your environment (IP66 for rain/dust, IK10 for vandal-prone locations).
What PoE class powers the Dahua IPC-HFW7859Z1-Z7-PV-X-ATC?
The camera draws roughly 12.0 W in steady-state operation, requiring a 802.3af (Class 3, ≤15.4 W) switch port. A single Cat6 STP cable carries both data and power up to 100 m — beyond that, add an inline extender or convert to fibre near the camera.
How much storage does the Dahua IPC-HFW7859Z1-Z7-PV-X-ATC consume per day?
At 8.3MP (3840×2160) resolution, 15 fps H.265 continuous recording, the IPC-HFW7859Z1-Z7-PV-X-ATC produces approximately 33 GB per day — about 990 GB per month. Motion-only or event-triggered recording typically cuts that by 40–70 % depending on scene activity. Plan NVR HDD capacity for the longest retention period required by your privacy policy or insurance contract.
Up to what distance can the Dahua IPC-HFW7859Z1-Z7-PV-X-ATC identify a person?
Per EN 62676-4:2025 pixel-density thresholds, this camera identifies (≥ 250 px/m on the target) up to about 20 m, recognises a person up to 39 m, observes general activity up to 78 m, and detects motion up to 195 m. Identification distance assumes daylight or full IR illumination on the target — at the limits of the IR cone the effective identify distance shrinks roughly 30 %.
What network bandwidth does Dahua IPC-HFW7859Z1-Z7-PV-X-ATC use?
Typical ingest is 12 Mbps for the main stream (H.265, medium scene complexity, 15 fps) plus ~0.5 Mbps for a low-resolution sub-stream used by mobile clients. For a 16-camera installation of this class, plan a 50–100 Mbps NVR uplink and a dedicated VLAN for camera traffic.
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