noun, noun or participle which takes 'suru'
zooming out
Wasei-eigo from 'zoom back'; used in photography, film, and digital interfaces for the action of zooming out. Often contrasted with ズームアップ (zooming in).
wasei-eigo (Japanese-coined English), from zoom back
See also: ズームアップ
カメラをズームバックして全体を写した。
I zoomed out the camera and captured the whole scene.
In this app, you can zoom out with a pinch gesture.