Quoted from the manufacturer's website. Manufacturer: K&F Concept By using K&F Concept's mount adapter, various lenses from different manufacturers can be attached to Fujifilm X-mount cameras. The adapter is made of metal with excellent texture and durability, and the mount part is finished with high precision. Compatible Cameras Fujifilm X-mount cameras (X-H2S, X-H1, X-Pro3, X-Pro2, X-T4, X-T3, X-S10, X-T30 II, X-T30, X-T20, X-T200, X-T100, X-E4, X-E3, X-A7, X-A5, etc.) Notes Please turn "Release w/o Lens" to "ON" in the camera's "Menu". *The setting hierarchy for "Release w/o Lens" may differ depending on the camera model. Please refer to the instruction manual of each camera to make the settings. Cautions Compatibility with all lenses is not guaranteed. Focusing is manual focus. Electronic control of the lens is not possible. Please use lenses where the focus adjustment mechanism and aperture operate when the lens is detached from the camera. Depending on the individual differences of the lens, changes in shape due to aging or damage, etc., it may not be possible to use it. Please use the lens at your own discretion regarding the installation of the lens. The specifications and design of the mount adapter may differ from the photos depending on the production lot. About K&F Concept K&F Concept is a brand that handles various camera accessories such as lenses, filters, adapters, tripods, and camera bags. They are committed to sophisticated design, research, manufacturing, and the creation of innovative products. Features Model: KF-AAX Japanese version Compatible Lens Mount: Sony (Minolta) A mount Compatible Camera Mount: Fujifilm│X mount Features: Mount conversion, with aperture ring Please turn "Release w/o Lens" to "ON" in the camera's "Menu". Although it is an unused item, it has been opened once, so thank you for your understanding.