Sigma

The EF-610 DG ST is multifunctional shoe mount type flash, featuring a powerful Guide Number of 61 and designed to work with the most popular digital SLR cameras. This flash unit provides fully automatic flash photography for digital SLRs with automatic TTL exposure control. It combines a convenient array of functions with ease of handling, and includes an Autozoom head that automatically sets the optimum illumination angle between 24mm and 105mm, as well as offering bounce and swivel capability.

The EF-610 DG ST is multifunctional shoe mount type flash, featuring a powerful Guide Number of 61 and designed to work with the most popular digital SLR cameras. This flash unit provides fully automatic flash photography for digital SLRs with automatic TTL exposure control. It combines a convenient array of functions with ease of handling, and includes an Autozoom head that automatically sets the optimum illumination angle between 24mm and 105mm, as well as offering bounce and swivel capability.

EF-610 DG SUPER is a multifunctional shoe mount type flash, designed to work with digital SLR cameras from most popular manufacturers and features a powerful Guide Number of 61. Among the diverse features of this flash are the Autozoom function, which automatically sets the illumination angle in accordance with the focal length of the lens; TTL exposure control, which automatically regulates the amount of light; bounce and swivel head functions; Catch Light Panel, which creates a catch light in the eyes of the subject when the bounce flash mode is activated; FP flash, which is capable of synchronizing the flash illumination with high shutter speeds; and the Rear-curtain Synchro flash, which makes delayed synchro photography possible. A Wireless Slave function is also available for use with compatible cameras.