ALTSON CEF-SE Lens Mount Adapter Ring

Features:
Lens mount adapter ring Replacement for Canon EF/EF-S lens to Sony E-mount camera.
Super high speed auto focus function, and built-in IS stabilization function, convenient to use and anti-shake.
Supports 2 focus modes: Phase Detection AF(PDAF) Contrast Detection AF(CDAF), one button switch.
EXIF information transmitting; electronic aperture control.
Gold-plated contact pins for great conductivity; CNC processing with aluminum alloy made.