- [光学] focal distance; focal length 短语和例子
调焦距 focalize; 焦距计 focometer; focimeter; 焦距检定 focal length calibration; 焦距调整 focal setting; focalization; setting of focal length
- 主焦距,前焦距: anterior focal distance
- 变焦距: [摄影学] varifocal◇变焦距附加透镜 transfocator; 变焦距镜头 zoom lens; 变焦距聚光镜 variable-focus condenser; 变焦距拍摄 zoom shot; 变焦距摄像机 zoom camera
- 长焦距: long focus; long lens; long working distance; long-focus
- 超焦距: hyperfocal distance
- 等焦距: parfocal
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