World's frost macro flash with splash proof, dustproof, and freeze proof (-10 degrees C) construction
Supports for stacking and focus bracketing of Olympus E-M1 and E-M1 Mark II
Flash heads do not protrude beyond the end of the lens to maintain minimum working distance
Compatible with Focus Stacking and Focus Bracketing modes of select OM-D cameras.
Covers the angle of view of a 12mm lens on Micro Four Thirds cameras, or approximately 61° vertically and 72° horizontally.