sharp cut (off) filters
尖锐滤光镜

• reflection hologram
• reflection "image"
• reflection interferometer
• reflection kernel
• reflection measurement
• reflection mirror
• reflection objective
• reflection plane
• reflection power
• reflection shield
• reflection thickness ga[u]ge
• reflection type star optical couplers
• reflective multiplayer coating
• reflective optics
• reflectivity
• reflectometer
• reflectometry
• reflector
• reflector alignment
• reflector lamp
• reflector lens
• reflector prism
• reflectoscope
• reflex
• reflex amplification