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