Sigma EM-140 DG Macro Ring Flash for Canon SLR Cameras
- Fully dedicated with the latest TTL auto exposure systems
- Flash tubes can be switched on or off for creative flash control
- Wireless flash control; high-speed synchro flash
- Guide number of 14
- Ideal for close-up photography, especially medical and scientific applications.55mm and 62mm adapter rings are included with the flash
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. The flash features a guide number of 14 w/ISO 100. 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
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