Hello guys ! (I try understand write my problem, because i speak average in English) I'm owner Inspire 1 with X3 camera... Yesterday i record video and i dont know why is my video choppy... Before i create this thread, i read some threads, but my problem it's not solved... In my Iphone 6S Plus is video ok, but in my MacBook Pro Retina 2014 (high end - with graphic card) its video choppy... I use original SD card (with high bit rate) If i record video, i dont need use ND filter because it was cloudy I took video with automatic settings, 4K / 30FPS I took video with slow drone speed, (no any fast - sport mode) Some peoples tell me, problem its because Macbook Pro Retina, its slowly for 4K edit, but if this problem be doing only with editing its ok, but my problem is too in QuickTime player, without any edit... I download VLC player (because one guy tell me, QuickTime have problems with 4K smooth, but in VLC is too video choppy... Now i read about shutter speed, but i say agian, all settings its automatic, never i dont have problem with choppy video but yesterday its first time ... I upload video on Youtube, check it (on start its video normal, but wait and check on white lines, or cars and you see choppy... If you have question, im online and help you for solve my problem... Thanks !!!