Fotasy Adjustable Leica M39 / L39 / LTM/ 39MM Screw Mount lens to Sony E-Mount Camera Adapter, fits Sony a6500 a6300 a6000 a5100 a5000 a3500 a3000 Professional designed Leica M39 / L39 / LTM/ 39MM Screw Mount lens to Sony NEX E-Mount adapter ring Fits Leica M39 / L39 / LTM/ 39MM Screw Mount lens There are no electrical contacts in the extension tubes. Exposure has to be adjusted manually. Aperture control is not available if you use a lens which does not allow you to manually adjust the aperture (without an aperture ring). For Sony a6500, a6300 a6000, a5100, a5000, a3500, a3000 etc The position of the adapter is adjustable.