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