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