My photon settings:

global_settings {
  max_trace_level 35
  assumed_gamma 2.2
  ambient_light rgb< 0,0,0>

  photons {
    spacing 0.05
    autostop 0
    jitter 0.4
    count 1000000
    media 0
    max_trace_level 25
  }

}



.....

  light_source {<6.4,11,6.5>
          color rgb <1,1,1>*1
          media_interaction on
            photons {
               refraction on
               reflection on
            }
  }

.....

object's photon settings :
  object{
   .......
    photons {
        collect on
        refraction on
        reflection off
        target  1
    }

  }


is there any problem ?

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