I have always found this thread to be really important in deciding on using certain cameras inside vehicles, with fast motion: http://www.dvxuser.com/V6/showthread.php?303559-Measuring-rolling-shutter-put-a-number-on-this-issue! Thanks to Samuel Going to post text as well, in case dvx100's forum goes under: RX100 V 250 fps ---- 3.8 ms (3.8-3.8) BM 4.6K (2K crop)--- 6.3 ms (official) 1DX II 1080p 60&120- 6.7 ms (6.6-6.7) NX1 1080p ---------- 7.9 ms (7.7-8.0-8.1-7.8)