Godox Thinklite TT685IIO TTL On-Camera Speedlite 2.4G Wirelss X System Flash GN60 High Speed 1/8000s Replacement for Olympus E-M10II E-M5II E-M1 E-PL8 7 6 5 E-P5 E-P3 PEN-F Panasonic DMC-GX85 G7 GF1 LX100 G85 GH4 FZ2500GK