At a glance: Olympus STF-8 - weather-sealed twin-flash macro lighting system for MFT.About this flashThe Olympus STF-8 Macro Flash is Olympus's dedicated twin-flash macro lighting kit for Micro Four Thirds macro photography. Weather-sealed, wireless twin-flash system designed for insect, flower and product macro photography at close range.Build & handling Type Twin-flash macro lighting system Guide number Approx. 8.5 per flash head Flash heads Two, independently positionable Power Battery-powered (typically 4x AA per controller) Weather resistance Yes - splash/dust-proof Weight Approx. 300g Works with Olympus / OM System Micro Four Thirds cameras Compatible with Olympus M.Zuiko macro lenses (30mm f/3.5 Macro, 60mm f/2.8 Macro) Can be used with Panasonic MFT bodies in manual/slave mode Best forA specialist macro flash - twin flash heads attach around the front of a macro lens and can be positioned independently, giving directional control over lighting for insect, flower and product macro work. Weather-sealed to match Olympus/OM System PRO macro lenses and weather-sealed bodies.Frequently asked questionsWhy twin flash for macro?At macro distances, a single flash creates harsh directional shadows. Twin-flash lets you balance light from both sides, creating softer, more even illumination - essential for insect photography where small shadows can hide important detail.