plane of sharpest focus
相关英语词汇推荐
- push out
- mode pattern
- metacrystalline
- upper state relaxation
- optical harmonic generation
- visible emissivity
- optical deformation
- chronophotography
- infra-red beam folower
- intensifying screen
- filters
- frequency summing
- astrospectrograph camera
- geometrical focus
- holographic gratings
- Varotal lens
- optical head controllers,control ics/modules
- time-averaged shadow-moire method
- multilongitudianl-mode laser
- diatomic roto