Sigma EM-140 DG Macro Ring Flash for Canon SLR Cameras

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List Price: $480.00
Price: $379.00
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The Electronic Flash Macro Ring EM-140 DG is designed to work with both AF 35mm film and digital SLR cameras of all popular manufactures. It 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 with 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 as a slave unit for creating fine shadow details. High-speed synchro and exposure compensation functions are also available for advanced flash photography.
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 control
Wireless flash control
High-speed synchro flash
Guide number of 14 (ISO 100)
G/No. 46/ft, 14/m (ISO 100)
Power Level 1/1 1/2 1/4 1/8 1/16 1/32 1/64
2 tubes (ft) 46 33 23 17 12 8 6
2 tubes (m) 14 10 7 5 3.5 2.5 1.8
Compatibility with Canon AF SLR and Digital SLR Cameras
EM140 Ring Flash Canon EOS
TTL 35 Film SLR ETTL, ETT-II*1
TTL Digital SLR ETTL, ETTL-II*1
Distance Priority Manual Flash -
High Speed SynchroFP O*2
Multi Flash O
Exposure Compensation Function O
Modeling Flash O
Wireless FlashTTL O*2*4
"O" Available, "-" Not available
*1: Compatible with E-TTL and TTL. Please note A-TTL automatic exposure is not supported.
*2: This function is not supported by some camera models.
*3: Compatible with 3D-multi BL exposure.
*4: Manual exposure is also possible.

The EM-140 DG Macro Flash is designed to work with both AF 35mm film and Digital SLR cameras of all-popular manufactures. The EM-140 DG Ring Flash is ideal for photographing subjects in fine detail whenthe shadowless mode is used and is extremely effective for scientific and medical applications. Dual flash tubes can fire simultaneously or separately. Using only one flash tube creates shadow, which can give a three-dimensional feeling to the subject. The flash features a guide number of 45 with 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 as a slave unit for creating fine shadow details.High Speed Synchro and Exposure compensation functions are also available for advanced flash photography.



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 (ISO 100)
Ideal for close-up photography, especially medical and scientific applications.55mm and 58mm adapter rings are included with the flash. 52mm, 62mm, 67mm, 72mm and 77mm adapters are sold separatly.