By definition, a placebo is an inert substance that has no effect on your body. In medical research, placebos (such as sugar pills) are used as controls against which the effects of drugs are measured.
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A nice bonus feature when shooting with the Fuji X100s, X100 or Ricoh GR/Nikon Coolpix A is the hss capability, no fuss, no need for PocketWizard‘s or 3rd party knock offs and calibration headaches.
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