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Sigma EM-140 DG Ring Macro Flash for Canon



A Multifunctional Macro Flash designed to work with Canon Digital or 35mm Film SLR cameras.Benefits:
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Sigma EM-140 DG Ring Macro Flash for Canon
A Multifunctional Macro Flash designed to work with Canon Digital or 35mm Film SLR cameras.Benefits: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 controlWireless Flash ControlHigh Speed Synchro FlashGuide Number of 14 (ISO100) The EM-140 DG Ring 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 shadow, 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, when the EM-140 DG is used as master and the EF-500 DG SUPER (not incl

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