I see what you mean now by strobbing. Honestly Im not quite sure how I prevented that in my footage. However you did mention 60i and I believe my Canon 60D shoots at 60p. Perhaps interlaced 60fps is more susceptible to strobbing as oppose to progressive 60fps. When the softwares tries to look for those frames in between during optical flow, the I interlaced images may not allow a smooth rendering… I do not have any cameras that shoots interlaced video anymore so I cannot confirm this.
Dan, I just clicked 10% speed and then dragged then stretch the clip on the timeline to make it 3%.
I’m still experimenting with this feature, so I really have no secret how to achieve the right effect. Im not even sure if I’m doing it right… Before I begin the project, I ensure its 24p in Custom, then drop in my 60fps clip and stretch time to 3% speed. I guess its automatically conforming the 60fps’s down to 24… I’m guessing it just have that much more information in between frames as oppose to 50fps to 24p when using optical flow.
Im not sure what you mean by Highest quality, I have confidence in the optical flow’s ability but i guess the question is what type of shots will produce the best slow motion.
So i ran a quick test. I started with custom project at 24p but put in 60p clips, and slowed them down to 3% speed with optical flow this are the results.
I also applied the same technique to this project
Is it OK how can I make it better…
With the exception of the interior hand held shots, the out door shots were shot with steadicam, I think it has good effect in helping with smoother slow motion, but i also wonder what affects optical flow ability to keep things sharp.
I usually wait for the music to help me que in when the club lights will go bright, and keep ISO at 1600, try to get as much footage. I focus on specific shots until the right lighting hits them, then move on. Here’s sample of latest work, some are noisy but i try to hide it by the quick cuts.