The Sigma Corporation is pleased to announce the launch of the new Electronic Flash EF-530 DG Super. Sigma EF-530 DG Super features a powerful Guide Number of 53 and is designed to work with the latest TTL auto exposure systems of all popular manufacturers’ digital and film SLR cameras. The Electronic Flash from Sigma features TTL automatic flash exposure control for easy operation. Among the advanced features of this DG Super Electronic Flash are modeling flash function, multi pulse flash, TTL wireless flash, FP (high speed) flash, rear-curtain Synchro flash and manual flash mode which allows the photographer to set the flash power level by up to eight stops. Read the whole article here