Motorized varifocal dome cameras keep a fixed viewing direction while allowing installers to adjust the lens’s zoom and focus remotely, which helps fine-tune coverage after mounting. Pan-tilt-zoom cameras physically move from side to side and up and down, in addition to adjusting zoom, so operators can monitor a wider area and move between points of interest.

Compare the lens type, zoom range, and resolution, looking for motorized varifocal lenses with autofocus and resolutions from 2.1MP to 8MP to match the viewing distance and detail requirements. For low-light performance, consider features such as Starlight or similar near-darkness imaging, infrared night vision, true wide dynamic range, and a mechanical day/night filter.

Motorized dome cameras typically connect to a video management system or network video recorder over an IP network, using Ethernet and, on many models, Power over Ethernet (PoE) for video, data, and power through one cable. ONVIF conformance on many cameras supports integration with compatible recording and video management platforms, while select models also connect with control systems for viewing, camera settings, and pan-tilt-zoom control.

Plan an IP network connection, compatible Power over Ethernet (PoE) equipment when supported, adequate bandwidth, and an ONVIF-conformant recorder or management platform when required by the system. Use a compatible surface or pendant mount for the low-profile dome housing, and confirm the camera’s environmental rating, such as IP66, IP67, or IK10, for outdoor, dusty, wet, or impact-prone locations.