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