Side-by-side comparison · within brand

    Dahua IPC-HFW7859Z1-Z7-PV-X-ATC vs Dahua IPC-HFW7842H-Z4

    Spec-by-spec comparison of two bullet camera models, with EN 62676-4 lens math and design recommendations.

    Specification side-by-side

    Dahua IPC-HFW7859Z1-Z7-PV-X-ATCDahua IPC-HFW7842H-Z4
    ManufacturerDahuaDahua
    Form factorBullet CameraBullet Camera
    Resolution8.3MP (3840×2160)8.3MP (3840×2160)
    Focal length8-56mm8-32mm
    Horizontal FOV43°40°
    Effective range150 m120 m
    IR distance150 m120 m
    Low-light / ColorVuYesYes

    Verdict

    Dahua IPC-HFW7859Z1-Z7-PV-X-ATC reaches further (150 m vs 120 m) — better for perimeter and parking-lot wide shots. Dahua IPC-HFW7859Z1-Z7-PV-X-ATC has stronger IR illumination (150 m vs 120 m) — better for unlit corridors and night perimeter.

    Frequently asked questions

    Is Dahua IPC-HFW7859Z1-Z7-PV-X-ATC better than Dahua IPC-HFW7842H-Z4?

    Dahua IPC-HFW7859Z1-Z7-PV-X-ATC reaches further (150 m vs 120 m) — better for perimeter and parking-lot wide shots. Dahua IPC-HFW7859Z1-Z7-PV-X-ATC has stronger IR illumination (150 m vs 120 m) — better for unlit corridors and night perimeter. For installation-specific advice — mounting height, tilt, obstacle shadowing, BOM and PoE budget — drop both cameras into CCTVplanner and the FOV cones, DORI rings (per EN 62676-4) and cable schedule render in real time on a satellite map or imported floor plan.

    What is the field of view of Dahua IPC-HFW7859Z1-Z7-PV-X-ATC vs Dahua IPC-HFW7842H-Z4?

    Dahua IPC-HFW7859Z1-Z7-PV-X-ATC has a 43° horizontal FOV at 8-56mm. Dahua IPC-HFW7842H-Z4 has a 40° horizontal FOV at 8-32mm. Dahua covers a wider scene at the same distance; the FOV calculator on CCTVplanner converts these into linear meters of coverage at any chosen target distance.

    Which camera has stronger IR illumination?

    Dahua IPC-HFW7859Z1-Z7-PV-X-ATC reaches 150 m of IR illumination versus 120 m for Dahua IPC-HFW7842H-Z4. The further-reaching IR camera is the better fit for unlit yards, parking perimeters and warehouses without permanent lighting.

    Can I plan a project mixing Dahua and Dahua cameras?

    Yes. CCTVplanner is multi-vendor by design — drop Dahua and Dahua cameras on the same canvas, share the same EN 62676-4 lens math and DORI ring overlays, and consolidate them into one BOM with cable schedule and PoE budget. Vendor design tools (Axis Site Designer, Hikvision HiTools, Dahua Project Design Tool, i-PRO SDT) cannot do this because each speaks only its own catalog.

    Test both cameras in your project

    Drop Dahua IPC-HFW7859Z1-Z7-PV-X-ATC and Dahua IPC-HFW7842H-Z4 on a real satellite map or imported floor plan. See live FOV cones, DORI rings, BOM and cable schedule in seconds.

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