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