A:AnswerHello, Sony commitment to customer satisfaction is our top priority. It is compatible however it is designed for APS-C sensors, the a7 IV will be used in APS-C mode with this lens attached. Sony Social Support - Yohan
A:AnswerHi Kashmere, This lens will fit with your Sony A7 but there will be restrictions when you use it such as The angle of view will be narrower down to that of APS-C size and the Fast Hybrid AF is available with the lens system software Ver.02 or later. -Jen
A:AnswerYou may require a HVL-RLAM Ring Light that would attach to the end of the lens if you are using this with a NEX 5. if you are using a NEX VG10 or NEX VG20 you have more flash options. please contact us (the manufacturer) directly and provide the model of your camera so we may provide you the compatible accessories options for your E Mount Sony NEX series Camera.
A:AnswerThe Size of the NEX3 and 5 is to provide a smaller area with less, and still have the DSLR Lens changing ability. for a fully functional Shoe might we suggest the full Alpha DSLR series that provides Shoe, and Lens options. There are no current plans to add the Shoe Mount to the NEX series camera.