IPA: /ˈvjuːˌfaɪndər/
KK: /ˈvjuːˌfaɪndər/
A tool on a camera that helps you see what the camera will capture in a photo.
She looked through the viewfinder to frame her shot perfectly.
Viewfinder → It is formed from "view" (from Old French *veue*, meaning sight or vision) and "finder" (from Old English *findan*, meaning to discover or locate). A viewfinder is a device that helps you locate or see a scene through a camera or other optical instrument.
Think of 'view' as the act of seeing and 'finder' as someone or something that discovers. A viewfinder helps you see and locate what you want to capture.