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