ACTi Z952 vs ACTi Z956: Specification Comparison
The ACTi Z952 and Z956 are both 4MP outdoor PTZ speed dome cameras from ACTi, each powered by PoE 802.3af and housed in IK10-rated enclosures. The two models occupy the same resolution class and camera type, making them direct cross-shop candidates for installers specifying outdoor perimeter, parking, or campus surveillance. This comparison examines where they diverge across optical reach, ingress protection, analytics, and integration to help buyers match the right unit to their deployment requirements.
In This Guide
How do the imaging specs compare?
Both cameras deliver 4MP resolution and support H.265/H.264 dual-codec compression at up to 30 fps (30 fps is specified for the Z952; the Z956 spec does not state a maximum frame rate). The Z952 uses a 4.8–120 mm lens with 25x optical zoom and an aperture range of F1.5–3.8, while the Z956 extends to a 4.5–148.5 mm lens with 33x optical zoom. The Z956's longer focal-length range provides approximately 32% greater reach at maximum zoom, useful for license-plate capture at greater distances or for covering larger open areas without repositioning.
On low-light and IR, the Z952 explicitly specifies IR illumination with Adaptive IR and a Day/Night mode, and lists WDR as a supported feature. The Z956 lists WDR and 3D DNR (digital noise reduction) but does not specify IR illumination or a Day/Night cut filter in the provided spec data. Buyers prioritizing low-light performance should note that IR capability is confirmed only for the Z952; the Z956's low-light approach is not fully documented in the available specifications.
What about installation and environment?
Both units carry an IK10 impact rating, confirming resistance to vandal-level mechanical impact per IEC 62262. Where they differ is ingress protection: the Z952 is rated IP66 (dust-tight, protected against powerful water jets), while the Z956 is rated IP67 (dust-tight, protected against temporary immersion up to 1 metre). For washdown environments, chemical-spray areas, or installations near water features, IP67 gives the Z956 a measurable advantage. Operating temperature range is not stated in the provided specs for either model.
Both cameras are powered by PoE 802.3af. The Z956 additionally specifies a maximum PoE draw of 12.95W, giving installers a firm number for switch-port budgeting; the Z952 does not state a maximum wattage figure in the available data. Both units are dome/speed-dome form factors suitable for pole, wall, or ceiling mounting, though specific mounting hardware and dimensions are not provided in the given specs. PTZ range for the Z956 is documented as 360° endless pan and tilt from −20° to 90°; the Z952 specifies pan-tilt as motorized but does not detail degree ranges in the provided data.
Which fits your VMS and analytics better?
The Z952 lists explicit ONVIF compliance, which eases integration with third-party VMS platforms that rely on the ONVIF profile standard. The Z956 does not state ONVIF compliance in the provided specifications. Both cameras include audio capability (Z952: audio input; Z956: audio, without further detail) and on-board MicroSD storage for edge recording. The Z956 lists 3D DNR as an analytics/processing feature; the Z952 does not list DNR in the provided data. Neither model lists edge video analytics (motion detection, line crossing, intrusion detection) in the supplied specs, so buyers requiring advanced edge analytics should verify with the manufacturer's full datasheet before specifying either unit.
Which should you choose: the Z952 or the Z956?
Our take: The Z956 is the stronger choice when maximum optical reach, a higher ingress protection rating, and a defined PoE power budget are the primary requirements—its 33x zoom (4.5–148.5 mm vs. 4.8–120 mm), IP67 vs. IP66 rating, and documented 12.95W max draw are concrete spec advantages. The Z952 is the better fit when confirmed IR low-light performance, explicit ONVIF VMS compatibility, and a 30 fps maximum frame rate are non-negotiable—all three are documented for the Z952 but absent or unspecified for the Z956. Installers integrating into an ONVIF-dependent VMS platform should qualify the Z956's compatibility before specifying it, as ONVIF is not stated in the available data. For washdown or near-immersion environments, the Z956's IP67 rating is the deciding factor; for mixed-lighting or 24/7 monitoring where IR is essential, the Z952 is the documented choice.
Side-by-Side Comparison
Spec-for-spec, from manufacturer data.
| Specification | ACTi Z952 | ACTi Z956 |
|---|---|---|
| Resolution | 4 MP | 4 MP |
| Camera Type | PTZ Speed Dome | PTZ Speed Dome |
| Lens / Focal Length | 4.8–120 mm | 4.5–148.5 mm |
| Optical Zoom | 25x | 33x |
| Lens Aperture | F1.5–3.8 | — |
| Max Frame Rate | 30 fps | — |
| WDR | Yes | Yes |
| IR / Low-Light | IR; Adaptive IR; Day/Night | — |
| 3D DNR | — | Yes |
| Video Compression | H.265; H.264 | H.265 / H.264 |
| IP Rating | IP66 | IP67 |
| IK / Impact Rating | IK10 | IK10 |
| Power Input | PoE (802.3af) | PoE (802.3af) |
| Max PoE Draw | — | 12.95W |
| Edge Storage | MicroSD | MicroSD |
| Audio | Audio input | Audio |
| ONVIF | Yes | — |
| PTZ Pan Range | — | 360° endless |
| PTZ Tilt Range | — | -20° to 90° |
Frequently Asked Questions
Which should you choose: the Z952 or the Z956?
The Z956 is the stronger choice when maximum optical reach, a higher ingress protection rating, and a defined PoE power budget are the primary requirements—its 33x zoom (4.5–148.5 mm vs. 4.8–120 mm), IP67 vs. IP66 rating, and documented 12.95W max draw are concrete spec advantages. The Z952 is the better fit when confirmed IR low-light performance, explicit ONVIF VMS compatibility, and a 30 fps maximum frame rate are non-negotiable—all three are documented for the Z952 but absent or unspecified for the Z956. Installers integrating into an ONVIF-dependent VMS platform should qualify the Z956's compatibility before specifying it, as ONVIF is not stated in the available data. For washdown or near-immersion environments, the Z956's IP67 rating is the deciding factor; for mixed-lighting or 24/7 monitoring where IR is essential, the Z952 is the documented choice.
Is the Z952 or Z956 better for low-light and night surveillance?
Based on the provided specifications, the Z952 is the documented choice for low-light performance: it explicitly lists IR illumination, Adaptive IR, and a Day/Night mode. The Z956 does not specify IR capability or a Day/Night cut filter in the available spec data, so its low-light behavior cannot be confirmed from what is provided. Buyers should review the Z956's full datasheet before assuming equivalent night performance.
Which camera has longer zoom reach, the Z952 or Z956?
The Z956 has greater optical zoom reach. Its lens covers 4.5–148.5 mm at 33x optical zoom, versus the Z952's 4.8–120 mm at 25x optical zoom. The Z956 offers approximately 32% more reach at maximum zoom, making it more suitable for applications such as license-plate capture at longer distances or wide-area coverage from a single mounting point.
Can both the Z952 and Z956 be used in washdown or wet environments?
The Z956 is better suited for washdown or wet environments. It carries an IP67 rating, which covers temporary immersion up to one metre in addition to dust and jet-water protection. The Z952 is rated IP66, which is dust-tight and resistant to powerful water jets but does not cover immersion. Both cameras share an IK10 impact rating for vandal resistance. For installations where direct water spray or brief submersion is possible, the Z956's IP67 rating provides the higher protection level.
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