telescopically adjustable
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- Acoustooptic Bragg diffraction
- beamsplitting blocks
- laser
- tracking laser radar
- plastic-base mirror
- checking
- optical second harmonic generation
- spherical aberration
- Infrared spectroscopy
- aberration blur circle
- astro-compass
- diffuse reflectance light
- self-sagging
- transit-time lidar velocimeter
- collisionless multiple-photon laser excitation
- pseudocontinuum
- spatially bound function
- Sonnar lens
- time-resolved interference spectroscopy
- metal lens