★Made of brass and anodized aluminum camera body mount, smooth surface finishing.Superior quality, top class precise design. ★Allows all M42 Screw mount (for Zeiss, for Pentax, for Praktica, for Mamiya and for Zenit)Lens to be used for Sony E-Mount camera body. ★It must turn on 'shoot without lens' setting of your NEX camera in order to use the adapter. ★Allows focus infinity.Without aperture pin stop flange.Supports AV (Aperture Priority) and Manual Mode. ★Use your LCD to Focus, only operated in manual focus mode (Auto Focus is impossible).Compatibility: for Sony E-Mount NEX-5 NEX3 Nex-C3 Nex-5N Nex-7 NEX-6 NEX-5r NEX-VG10.