焦深 focal depth
焦距 focal distance
焦点程函 focal eikonal
焦点隔离法 focal isolation
焦距 focal length
焦线 focal line
焦面 focal plane
焦面滤光片 focal plane filter
焦面位移 focal plane shift
焦面快门 focal plane shutter
焦点板,标线片 focal plates, reticles
焦点 focal point
焦距 focal distance
焦点程函 focal eikonal
焦点隔离法 focal isolation
焦距 focal length
焦线 focal line
焦面 focal plane
焦面滤光片 focal plane filter
焦面位移 focal plane shift
焦面快门 focal plane shutter
焦点板,标线片 focal plates, reticles
焦点 focal point
焦度 focal power
焦比 focal ratio
焦球 focal sphere
焦斑 focal spot
焦面 focal surface
聚焦带 focal zone
调焦,焦距调整 focalization
调焦器 focalizer
絮凝 focculation
焦距计 focimeter
测无距准且光管 foco-collimator
虚圆点 focoid
焦距计 focometer
焦距仪 focometers
测焦距术 focometry
焦正仪 focon
焦点 focus
焦点调整 focus control
聚焦筒 focus drum
无限远聚焦 focus for infinity
聚焦玻璃 focus glass
聚焦栅 focus grid
聚焦镜 focus lamp
聚焦栅 focus mask
聚焦板 focus plate
聚集点 focus point
聚焦范围 focus range
调焦环 focus ring
焦点位移 focus shift
聚焦光束 focused beam