A kind of scattering light that far-field measurement instrument (10) is cut into (26) that there is arrangement in pentagonal shape design the common visual field to concentrate on source S with multiple imaging lens (14) is measured. Aspherical lens (14) are used to aim at big incidence angle and scatter light. Measurement module (12), such as camera, in each lens (14). Measurement module can be by interferometer or Shack-Hartman wavefront sensors, so as to both measure the intensity and phase (26) of scattering light.
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