Description:100% Brand New & High QualityWith this adapter，you can use Pentax K PK Lenses on Sony NEX E mount camera.Allows focus to infinitySupports A\/M modeMeter Exposure FunctionsLens lock\/release and stop screwThere is no ROM connection on the ring so diaphragm control of the lens is set manually.It is possible to use macro rings and other accessaries.Fine finishing，Install，remove and operate lens smoothly.Made of aluminium and brass in black finish.Notice:Although the lens will fit physically，automatic diaphragm，auto-focusing，or any other function will not operate correctly while using this adapter.In this case "Stop-down mode"will need to be used when metering since the lens doesn't have the ability to have its apeture controlled by camera body.You can shoot with manual mode or apeture priority mode.Suitable for:Camera: Sony E NEX-C3，NEX-5，NEX-5C，NEX-5N，NEX-7.Camcorder: Sony NEX-VG10E，NEX-VG20E，NEX-VG20EH.Lens: Pentax K PK LensPackage included:1X Pentax K lens to Sony NEX Adapter