Viltrox EF-E II Lens Mount Speed Booster Adapter

Features: Lens adapter for Canon EF series lens to use for Sony E-mount (APS-C) series cameras. Auto focus, support CDAF and PDAF, your focusing process can be quicker or easier. 0.71x multiply the original focal length, which help to accelerate focusing speed by 50%. Built-in 4 groups 4 glasses optical glass, aperture is increased by 3 stops, so you can better distinguish the main object and blur out background. Gold-plated copper contact enhance EXIF signal transmission. Support USB upgrade for sustainable usage. CNC precision constructed aluminum body ensure perfect installation. Discounted at only: US$ 203.53