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

Technical Details.
  • 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.

Product Description.

From the Manufacturer.

  • 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).

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