Fotasy Viogtlander Retina DKL lens to Sony E Mount NEX Camera adapter With this adapter, Viogtlander Retina DKL lens can be fit on Sony NEX E-Mount Camera. It allows foucs to infinity. It may pass the infinity a bit, please use LCD to focus . With lock pin and lens release pin. Precise design. Made of Brass And Aluminum, allow install, remove and operate lens smoothly! Matte inside finsihing. avoid reflecting of light! To use NEX camera with Viogtlander Retina DKL lens, pleas set"Release without lens" in camera menu, set camera shooting mode to A or M, use manual focus and shoot.