Sigma EM-140 Flash Macro For Canon

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Category: Photography-Flashes-&-On-Camera-Lighting-Macro-&-Ringlights, sigma

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The Sigma EM-140 DG Ring Flash is ideal for photographing subjects in fine detail - close-up photography - 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 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 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 E-TTL II Canon EOS cameras
(A-TTL not supported)
Wireless TTL flash control (4 channels), with Manual Exposure possible
High Speed Synchro flash
Stroboscopic effect (power level and frequency customizable)
Modeling light, also provides AF assist
Backlight illuminated LCD panel
Guide No. 46' (14 m)
Number of Flashes 2
Max Usable Diameter Size 77mm
Modeling Light Yes
Angle of Coverage 80 degree (vertical/horizontal)
Auto f/Stops No
Vari-Power Yes; Full, 1/2, 1/4, 1/8, 1/16, 1/32 & 1/64
TTL Dedication Yes; E-TTL II
Recycle Time 6 seconds with alkaline batteries
4 seconds with NiMH batteries
Power Source 4 AA batteries
  • Controller: 5.4 x 3.2 x 6.7" (73 x 136 x 82.5mm)
  • Light unit: 5 x 5.1 x 1.2" (127 x 129 x 30.5mm)
  • Weight 15.1 oz (430 g) [without batteries]

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