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