The Sigma EF-140 DG Shoe Mount Flash is a dedicated ultra-compact shoe mount flash for the DP1 camera. It provides up to 2.3x more light then the camera's built-in flash. It provides full TTL support to the DP1 camera, but can also be used in Manual Flash mode, with full-power flash output.
EF-140 DG Shoe Mount Flash for DP1 Camera (Guide No. 46'/14 m)