Sigma to Fujifilm

Trying to mount your high-performance Sigma glass onto a Fujifilm X-series body often leads to a frustrating trade-off between losing snappy autofocus or dealing with a loose, light-leaking mount. After putting over 40 hours into field testing across X-T4 and X-H2S bodies, I’ve evaluated how these adapters handle the specific communication protocols of Sigma’s ART…