TOUGH E-Mount Signature Edition LT from Fotodiox Pro - Brass, Light Tight Replacement Lens Mount for Sony NEX & E-mount Cameras Eliminates the light leaks common among E-mount Cameras! Distinctive & Stylish Brass Replacement Lens Mount APS-C and Full Frame Camera Compatible - such as NEX-5, NEX-7, a7 & a6000 Minimizes the Lens Movement E-Mount Cameras Are Prone To 24-Month Manufacturer Warranty