Sigma EM-140 DG TTL Macro Ringlight Flash for Sigma SLR Camera with S-TTL

TheSigma EM-140 DG Ring Flashis ideal for photographing subjects in fine detail - close-up photography - 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. The Modeling Flash function makes it possible to check for reflections and shadows before actually taking the flash picture.

A wireless flash function is also available, where the EM-140 DG is used as master and theEF-500 DG Superas a slave unit for creating fine shadow details. High Speed Synchro functions are also available for advanced flash photography.

• Controller Unit
• Flash Unit
• 55mm Lens Adapter Ring
• 58mm Lens Adapter Ring
• Cordura Carrying case
• Limited 1-Year North and South America Warranty Against Manufacturing and Workmanship Defects.
• Limited 3-Year U.S.A. Extended Warranty Extension Against Manufacturing and Workmanship Defects.