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