Rear Lens Cap and camera body cap for NEX E Mount series cameras and lenses, protects the rear elements of the lens when it is removed from the camera.
From Wikipedia
The E-mount is a lens mount designed by Sony for their NEX ("New E-mount eXperience"[1]) and ILCE series of camcorders and mirrorless cameras.[2] The E-mount supplements Sony's α mount, allowing the company to develop more compact imaging devices while maintaining compatibility with 35mm sensors.
Product 7/7