Sigma Ring Flash Macro EM-140

  • Ideal for Close-up photography, especially medical and scientific applications
  • Fully dedicated with the latest TTL auto exposure systems
  • Flash tubes can be switched on or off for creative flash contro
  • Wireless Flash Control
  • High Speed Synchro Flash
  • Guide Number of 14 w/ISO100
Order Sigma Ring Flash Macro EM-140

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