The black A-Mount to E-Mount Lens Adapter from Sony enables you to attach any A-mount lens to an Alpha E-mount full-frame digital camera body. It supports Auto Exposure (AE) and features an aperture mechanism. The adapter is also configured with an integrated, standard 1/4"-20 tripod mount for supporting large, heavy lenses. Additionally, the ALC-B55 camera body cap and a rear lens cap are supplied.