The Sigma EM-140 DG Macro Flash for Canon is a wireless master that can be used with Sigma's EF-610 DG Super speedlight. It is designed to work with both AF 35mm film and Digital SLR cameras. 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
Great condition.