Metabones Adapter EF to E-mount Version IV NOT speedboosted

Electronic

• Phase-detect autofocus support on A7RII.
• Supports 5-axis in-body image stabilization of A7II and A7RII,
• Powered by camera body. No external power source required.
• Aperture control from camera body.
• Wide open button (opposite of depth-of-field preview function) makes manual focusing easy and assignable to a custom function on A7 series.
• High performance 32-bit processor and efficient switched-mode power supply.
• Supports image stabilization (IS) lenses.
• Supports electronic manual focusing (e.g. EF 85/1.2L II and discontinued EF 50/1.0L)
• EXIF support (focal length, aperture, zoom range)
• Distance and zoom display on VG and FS series camcorders (lens with distance information support required).
• Auto magnify (lens with distance information support required)
• Auto "APS-C Size Capture" on full-frame cameras with Canon EF-S lenses and many third party DX lenses.

Optical/mechanical

• Fits both EF and EF-S lenses. (Vignetting at corners may occur for certain EF-S lenses because they are designed to cover a 1.6x crop image circle but Sony NEX has a 1.5x crop sensor.)
• Flocking material coated inside the opening to reduce internal reflection.
• The tripod foot is detachable and compatible with Arca Swiss, Markins, Photo cam ball heads.