K&F Concept MD to FX Lens Mount Adapter with Matting Varnish Design, Fits for Fuji XT2 XT20 XE3 XT1 X-T2

SKU: KF06.452

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The adapter itself has a rotating ring with which you can set the aperture manually. 
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Hello, according to research you need an Olympus OM Lens Mount to Micro Four Thirds Mount Adapter for this combination.