low-frequency
low-gain
low-impedance
low-level
low-loss
low-noise
low-pass
low-power
low-priority
low-resistance
  low-resolution
low-side
low-speed
low-voltage
low-wavelength
lp
luminance
luminosity
luminous
lump
lux

    low-resolution beam

    слабо сфокусированный луч