When shooting video in Live View mode, and recording uncompressed to an external video recorder, the power aperture feature lets you smoothly open and close the aperture electronically. This allows you to close down or open up the aperture smoothly while recording video for a more professional look.nikongrossary
Certain Nikon 1 camera system 1 NIKKOR lenses utilize a Power Drive Zoom for fast, quiet zooming. These lenses are ideal for use when shooting video. Zoom speed can be adjusted by positioning the Power Drive Zoom switch on the lens.
Adjusts image sharpness using motor-driven lens, via either control panel button or remote control.
Source of electrical energy, usually plugged into regular electrical outlet or centralized source, Most security cameras use 24V AC or 12V DC power supplies.
Lens focal length adjusted by motor. Not Digital zoom, which crops image to zoom in, lowering resolution.