1 YN25MM F1.7M Lens. Panasonic G100,GH5,G9,G95,G85,GX9,GX85,GF-10,GF-9. Equipped with high speed and high precision STM stepper motor. High precision STM stepper motor. Olympus E-M5 Mark II, E-M5 Mark III, E-M10 Mark III, E-M10 Mark IV, PEN-F, E-PL9, E-P.