Cheap Sigma Flash Macro Ring EM-140 DG for Canon SLR Cameras
Technical Details.
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).