reflecting power
(1)反射本领
(2)反射比

• Lens coupling
• lens covering a small angle of field
• lens covering a wide agnle of field
• lens curvature
• lens detector
• lens diaphragm opening
• Lens disk
• lens doublet
• Lens element
• lens errecting
• lens-errecting telescope
• lens fflange
• lens field illumination
• lens-grinding machine
• lens holder
• lens-hood
• lensing
• lens isis
• lens jacket
• lensless
• lensless aperture
• lensless Fourier transform hologram
• lensless imaging
• lensless matched filter
• lensless photogrpahy