What are some highly-rated lens adapters for Canon EF lenses to Sony E-mount cameras?

Electronic adapter that allows Canon EF and EF-S lenses to mount on Sony E-mount cameras, providing electronic communication for aperture and focus data; constructed from hardened magnalium with an anti-reflection matte finish. Suits photographers who want to use Canon glass on Sony bodies while retaining electronic control where supported.

Electronic adapter that mounts Canon EF/EF-S lenses to Sony E-mount bodies, providing electronic communication for aperture control and (in many cases) autofocus and image stabilization. Precision all-metal construction with chrome-plated brass mounts and 24-month warranty; suits users who want to use Canon glass on Sony mirrorless bodies while retaining some electronic functions.

The Viltrox EF-E II is an electronic Canon EF to Sony E (APS-C) adapter that preserves electronic communication for AF, aperture control, and EXIF transfer. It includes optical elements to reduce crop factor (0.71x), a micro-USB port for firmware updates, and a tripod foot, suited for using EF lenses on select Sony E cameras.

Electronic smart adapter that transmits EXIF, supports autofocus, image stabilization and has an electronic aperture ring; weather-sealed Pro III version with brass bayonets and firmware update port. Suits photographers who want full electronic control of Canon EF/EF-S lenses on Fujifilm X bodies while retaining AF and IS functionality.

Electronic EF/EF-S to Sony E adapter with gold-plated contacts, USB firmware port, tripod foot and support for autofocus, aperture control and image stabilization (photo mode only). Suits photographers who want to use Canon EF or EF-S lenses on Sony E-mount bodies while retaining EXIF and lens functions.