Kindly Note: Canon EF 50mm F1.4 will not allows auto focus, autofocus can be slow or even not function with various models, please refer to the attached pictures

This VILTROX lens mount adapter is made with high standard precision. Its all metal design and polished surface is designed to guarantee smooth mounting and long lasting experience. Fits for Canon EF EF-S mount lens to fits on the Sony Alpha E-Mount system camera body with full communication. automatic diaphragm, auto-focusing and other modes and functions will operate correctly while using this adapter

Compatible with Sony A7, A7R, A7S, Sony NEX-3N, NEX-C3, NEX-F3, NEX-5, NEX-5C, NEX-5N, NEX-5R, NEX-5T, NEX-6, NEX-7, Sony NEX-VG10, NEX-VG20, NEX-VG30, NEX-VG900, NEX-FS100, NEX-FS700, NEX-EX50 DSLR Cameras

• It allows you use Canon EF/EF-S lens mount to Sony NEX E-Mount camera body, achieve a high quality pictures. Full support Sony Alpha A7/A7R DSLR Camera.
• Provides electronic communication between the lens and camera body allowing automatic focus and aperture control from the NEX body
• Support the existing function of the lens
• Grinding matte design, no problem of light leaking, comes with front/rear cap for protecting
• Perfectly fits for SONY Full Frame NEX or A7 Series DSLR/SLR Cameras

It allows you use Canon EF/EF-S lens mount to Sony NEX E-Mount camera body, achieve a high quality pictures. Full support Sony Alpha A7/A7R DSLR Camera.VILTROX