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).