Perhaps the biggest downer about Fujifilm cameras is that the X series system is a closed one. While Sony has opened the gates so that Sigma, Tamron, and others can create lenses without reverse engineering their AF system, Fujifilm does not want to go this route. This is fine, simply because Fujifilm creates gorgeous lenses.
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https://www.thephoblographer.com/2020/12/22/5-great-third-party-lenses-for-fujifilm-x-mount-that-will-inspire-you/