Choose a wider field of view for entrances, yards, and other areas that need broad coverage, and choose a narrower view or longer zoom setting when you need more detail on subjects farther from the camera. Motorized varifocal cameras with adjustable focal lengths, such as 2.7 to 13.5 mm, let installers fine-tune the view and focus after mounting to match the scene.

Motorized varifocal lenses let installers or users adjust the camera’s zoom remotely, helping fine-tune the viewing area after installation. Built-in autofocus helps maintain a clear image during adjustments, which supports more flexible monitoring without needing to physically reposition the camera.

When selecting zoomable security cameras, consider a motorized varifocal lens with autofocus, the required image resolution, low-light performance, viewing angle, and whether a dome or bullet form factor fits the installation. For outdoor use, check weather protection, mounting needs, and power options such as Power over Ethernet (PoE), while indoor installations may place more emphasis on discreet placement, app access, local storage, and system integration.

Zoomable security cameras may receive power through Power over Ethernet (PoE) on a compatible network connection, or through a separate wired power connection, depending on the model. They can record to a local microSD card or a compatible network video recorder (NVR), while surveillance apps support features such as live viewing, recording review, camera management, and system integration.