Viltrox EF-FX1 mount adapter is designed for Canon EF/EF-S series lens to be perfectly mounted on Fuji X-mount mirrorless cameras.It is made of metal with surface plating treatment, being durable and sturdy. Built-with electronic contacts, it supports auto focus, adjust aperture, and EXIF signal transmission. Firmware can be upgraded by a USB port.
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I had to go back to firmware version 2.14 to find a minimally useful auto focus build. That is 7 versions back! And it still is very hit or miss. Using with Fuji X-S10.
The adapter works great for adjusting F-stop but on my X-S10, theres many issues with the auto focus system. Hopefully a firmware update can fix it. Im sure this works great with other fuji cameras. wonderful build quality.
several autofocus problems with sigma 18-200 (canon EF) and fuji x-s10.