found at DigiDirect
Featuring a splash, dust, and freezeproof construction, the Olympus Twin Macro Flash STF-8 offers shooters a completely weatherproof macro flash option. Design with full TTL support for Olympus cameras, this twin flash will help users more easily illuminate their close-up subjects.
Also, it features adjustable ratios to help control the contrast of the scene and how much light is coming from each side. The flash heads are designed to provide plenty of light, with a twin flash featuring a guide number of 8.5 m at ISO 100 while a single head features a guide number of 6 m at ISO 100. Additionally, it will cover a 12mm lens on a Micro Four Thirds format camera and each flash head can be tilted from -40 to 60°.
As an advanced flash unit, the STF-8 is equipped with numerous features and settings that will help photographers. Shooters can use the STF-8 as a wireless master TTL flash to control up to 4 groups of flashes set up off-camera.
Also, the unit supports focus stacking and bracketing functions of select OM-D cameras. It runs on 4 AA batteries and the two included ring adapters allow it to be attached to select Olympus lenses.
The Olympus Twin Macro Flash STF-8 is compatible with a range of lenses such as the M.Zuiko Digital ED 30 f/3.5 Macro, M.Zuiko Digital ED 60mm f/2.8 Macro, and M.Zuiko Digital ED 12-40mm f/2.8 PRO. For a list of compatible products* please see our specification tab.
* as of April 2020