An electronic mount adapter for attaching an EF mount lens (also compatible with EF-S) to Canon's EOS R series body (RF mount). It has a built-in CPL filter, and the filter effect can be controlled with the adjustment dial provided on the side of the adapter. The CPL filter can also be removed.
It is also equipped with electronic contacts, and in addition to electronic control of the lens, it also supports the operation of the in-lens image stabilization mechanism.
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