Sigma EM 140 DG Flash Canon Macro Ring Flash ETTL Start Price USD 379.95 Current Price USD 379.95 Time Left - Bid Count 0 Buy It Now Price - Reserve Price - Start Time Wednesday, September 24, 2008 End Time Friday, October 24, 2008 Location Yukon, Oklahoma See more about 'Sigma EM 140 DG Flash Canon Macro Ring Flash ETTL' Description  Sigma EM 140 DG FlashThis Sigma EM-140 DG Macro Ring Flash is in excellent condition.  It has been checked and is functioning with out a problem.The EM-140 DG Macro Flash is ideal for photographing subjects in fine detail when the shadowless mode is used, and is extremely effective for scientific and medical applications. Dual flash tubes can fire simultaneously or separately. Using only one flashtube creates modeling, which can give a three-dimensional feeling to the subject. Ideal for Close-up photography, especially medical and scientific applications. Guide Number of 14/m, 46/ft (ISO100)Fully dedicated with the latest ETTL auto exposure system.Dual flash tubes can be switched on or off for creative flash control.For any Questions or Comments please call us at 1-888-350-8011Deal with confidence. Check our feedback. Paypal gives  you up to $2000  in buyer protection. We have a 14 day money back policy. Place a Bid!