Viltrox EF-E II Focal Reducer Booster Adapter Auto-focus 0.71x Canon EF mount series lens to Sony E-mount

Viltrox EF-E II - Use a Canon EF-S lens on a Sony E-mount

Viltrox EF-E II mount adapter is designed to allow Canon EF-mount series lens to be used on a sony e-mount camera.
Plus 0.71 based on the original focal length (equivalent focal length=focal length x0.71), which help enlarge 1 level aperture. Build-in 4groups, 4pcs optical glasses, AF(autofocus) and adjustable aperture,etc.

In other words, the viltrox adapters are a great competitor to the metabones speedbooster that cost more the 3 times the price were the viltrox may even outperform the metabones.

Support AF Function:

Viltrox EF-E II lens adapter comes with the gold-plating contact, which can help to connect your Canon EF mount series lens to M4/3 Cameras, auto focusing perfectly.

Support Aperture Control:

Designed with internal aperture motor, you can adjust the aperture from camera end directly to control the lens’ actual aperture.

Material & Design:

Made of aluminum allo; convenient for installation; powerful and stable;Gold-plating contact, excellent transmitting effect.

USB Firmware Upgrade:

Equipped with USB interface, can realize software upgrade. Can perfect new functions of the lens mount adapter and fix bugs according to follow-up upgrades.