YONGNUO YN17MM F1.7M Lens for M43 Mount, 17mm F1.7 Standard Prime Auto Focus, MFT Micro Four Thirds for Mirrorless Cameras

【Feature】Lightweight body combined with F1.7 large aperture, you can easily achieve a soft and beautiful blur effect, M43 Frame, Auto and Manual Focus, with 10 optical lenses in 9 groups structure design and nano multi-layer coating process, 7pcs aperture blades, F1.7-F22 Aperture, Stepper Motor drive system, 52mm Filter diameter, φ65.8×77.8mm Maximum diameter and length，0.15x Maximum magnification, 0.18m minimum focusing distance. 【Compatible】Work with M43 Mount Cameras: Panasonic GH5 G9 G95 G85 GX85 GF-9 GF-8 GX9 GF10, Olympus E-M5 Mark II E-M10 markIII E-PL9 PEN-F. 【Structure】This 17MM F1.7 lens mount is equipped with a dust-proof and water-proof rubber ring，which can effectively resist the entry of dust and water droplets. Metal bayonet, gold-plated contacts, supports EXIF information transmission, equipped with 52mm lotus-shaped lens hood. 【Focus Ring】 Focus ring supports full-time manual focus, After completing auto-focus, you can directly manually adjust the focus position without switching the focus mode to achieve the focus effect you want. ( Note: The full-time manual focus function can only be used normally after enabling the corresponding settings on the camera. For detailed operations, please refer to the camera manual. 【Function】Equipped with 2 aspherical lenses to effectively compensate for various aberrations, equipped with 2 low dispersion lenses，which can better suppress the dispersion problem caused by wide angles