Commlite CM-AEF-MFT Booster,0.71x Speed Booster for Canon EF Lens to M4/3 Micro Four Thirds Cameras,Autofocus Lens Adapter for Panasonic GH4 GH5 GH5S GF6 GF1 GX1 GX7,Olympus E-M5 E-M10 E-PL5

• Compatible with EF Series Lens to M4/3 (MFT/Micro Four Third) Mount Cameras like Panasonic GX1, GX7, GX8, GH4, GH5, G2, G3, G5, G7, GM1, GF3, AF100 and Olympus E-M1, E-M1 Mark II, E-M5, E-M5 Mark II, E-M10, PEN-F, E-P5, E-PL13
• 0.71x focal reducer booster enhances aperture, blurs the background, and shortens the focus of the lens by X0.71, suitable for M4/3 conversion rate
• Features autofocus function, aperture control, Cooper gold-plated contacts for enhancing EXIF info transmission, and built-in IS function for precise focus
• Allows firmware update via USB port without the need to attach the adapter to the camera
• Commlite brand specializing in lens accessories to enhance professional shooting experience

Condition: Used, in good condition 

Warranty: 6 months