Targeted at macro, medican and scientific applications, the EM-140 DG can be configured to fire both flash rings or just one depending on the look. It has a guide number of 14 and is powered by four AA battereies. It is compatible with most modern TTL flash protocols including Canon E-TTL, Nikon D-TTL & i-TTL, Pentax’s P-TTL and Sigma’s own S-TTL
The electronic flash macro EM-140 DG is designed to work with both AF 35mm film and Digital SLR cameras of all-popular manufacturers. The EM-140 DG ring flash is ideal for photographing subjects in fine detail when shadowless mode is used and is extremely effective for scientific and medica applications.
Dual flash tubes can fire simultaneously or separately. Using only one flashtube creates shadow, whic can give a three dimensional feeling to the subject. The flash features a guide number of 14 at ISO 100.
The modelling flash functions make it possible to check for reflections and shadows before actually taking the flash picture. A wireless flash function is also available, when EM-140 DG is used as master and the EF-500 DG SUPER as a slave unit for creating fine shadow details
High speed syncro and exposure conpensation functions are also available for advanced flash photography. It is ideal for use in close-up photography, especially medical and scientific applications and fully dedicated with the latest TTL auto exposure systems. The flash tubes can be switched on or off for creative flash control. Other features include Wireless Flash Control and High Speed Synchro Flash.
Posted by Paul
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