[Manual Focus] Manual focus is achieved without electronic contacts. By using this mount adapter, the focus and the aperture adjustment can be manual. (Caution: Please set 'Menu' -> 'Setup' -> 'Release w/o Lens' -> 'Enable' when using. The setting of "Lensless Release" may differ depending on the camera model. Please refer to the manual of each camera and make the settings.) | 【Unique Design】The appearance of the 4th generation lens mount adopts a knurled design, and the key points are treated with non-slip, making it easier to hold. On the other hand, the fine carving of CNC machining enhances the texture. | 【 Material & Features】High-quality copper and aluminum alloy; High precision and durable, Install and remove smoothly; Matting varnish inside to avoid light reflection; | [Compatible Mount] (1) Compatible lens mount : Leica M Series Lens, (2) Compatible camera mount: Sony E mount camera body, (3) Compatible models: Sony Alpha α7, α7R, α7S, α7 II, α7R II, α7S II Sony Alpha α3000, α5000, α6000, α6300, α6500,α3500, α5100, αQX1, PXW-FS7 Sony NEX-3, NEX-5, NEX-C3, NEX-5N, NEX-7, NEX-F3, NEX-5R, NEX-5T ,NEX-6, NEX-F3, NEX-3N Sony NEX-VG10, NEX-VG20, NEX-VG30, NEX-VG900, NEX-FS100, NEX-FS700, NEX-EA50 etc. | 【Pre-purchase Verification】 Please ensure your lens mount and camera mount before purchase in case of unnecessary returning. We are here for help if you have any question about adapters.