VILTROX NF-M43X Manual Focus 0.71x Reducer Speed Booster Lens Adapter for Nikon F Lens to Micro Four Thirds M4/3 Camera BMPCC GH4 GH5 GH5S GF6 GX85 GX7 E-M5 E-M10 E-PL5

Versatile Compatibility: Designed for mounting Nikon G/D lenses to Micro Four Thirds cameras including GH5, GH4, GX85, E-M5, E-M10 and BMPCC 0.71 x FOCAL REDUCER: Speed amplifier reduces focal length by 0.71 x while increasing the maximum aperture by 1 stop for better low light performance Protection Control: Built-in aperture adjustment ring allows precise control of exposure and depth of field when using Nikon G lenses MANUAL FOCUS DESIGN: Smooth focus operation while maintaining infinity focus ability for accurate shooting OPTIMAL CONSTRUCTION: High quality glass elements maintain image quality while adapting between different lens mounting systems