Tag 英文 Tag 英文 自动对焦 Auto focus 手动对焦 Manual focus 单点对焦 Single point focus 连续对焦 Continuous focus 区域对焦 Zone focus 超焦距 Hyperfocal distance 焦点提示 Focus peaking 背部对焦 Back-button focus 预对焦 Pre-focus 变焦对焦 Rack focus