Most any aftermarket head unit CAN work with the factory backup camera... but it isn’t a plug-n-play situation. I installed a Pioneer AVH2330-NEX in my 17 BRZ and I have all functions working (backup camera, BT, factory USB and Aux, etc.). If you aren’t comfortable with fairly advanced car stereo wiring, just take your car to a pro and let them know what you want and they’ll make it happen. Here is my thread detailing the fun that I had with this installation
https://www.ft86club.com/forums/showthread.php?t=126171