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Fujifilm X body + Canon EF lens


There seem to be no adapters with AF function, but some solutions are really exciting!

The basic adpater is a mechanical converter for the EF lens to X body. The major drawback is that autofocus and diaphragm control won't be available (these are electrically adjusted).

However, the lack of aperture control can be solved by getting an adapter with a diaphragm. By using them, aperture control will be available despite the EF's own will be constantly open.

Adapters with aperture control can be found here:

But wait, there's more! To bridge the gap between the APS-C sensor of the Fujifilm X and the fullframe EF lens, there are speedbooster versions available. The lens in the speedbooster shrinks the fullframe image to the APS-C, but the tradeoff in image quality is compensated by the great possibilities it offers.

Some real delicacies:

Thanks to the difference in flange focal depth, tilt-shift adapters are also available on eBay:

Keep in mind that using a fullframe EF lens will get you a crop factor of 1.6*, because of the APS-C size sensor of the X body, you'll get a pretty high focal length multiplier (you'll get a smaller image frame). Find out more about sensors and crop factor in this article if you're interested.

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In terms of compatibility, we distinguish four separate categories:

This means that you'll be able to apply the lens on the camera in question with a proper adapter, and full focus range will be available with it (often with aperture control too). If AF is supported, you'll see it in the description.
This means that due to the flange focal depth or other factor this conversion would be normally unfeasible, but with some compromises (e.g. using a speedbooster adapter) can be made possible.
This means that the flange focal depth should make mounting and using inifinty focus possible, but for some reason there are no adapter rings available or other factors make it unviable.
This means that you won't be able to mount your lens due to mechanical incompatibility or the difference in flange focal depth doesn't make inifinity focus possible. Although numerous lenses can be mounted on cameras without infinity focus, but this cannot be considered actual compatibility.

Additional information for compatible variations:

manual focus (on the lens, with its own control ring)
autofocus available (AF controlled by the camera body)
manual aperture control (on the lens, with its own control ring)
automatic aperture control (controlled by the camera body)
speedbooster (focal reducer) adapters are available
macro (variable length) adapters are available
tilt-shift (or other flexible) adapters can be used

If you'd like to read more in-depth about compatiblity, you'll need to get familiar with flange focal depth, see this article.