I’m currently editing a project mostly shot at 1080 25P, but some was shot at 1080 23.98. I have been syncing all of the cameras using Plural-Eyes to a master audio track recorded on a Zoom H4N, and it’s been going really smoothly. I’m just getting onto the 23.98 footage, and I thought I’d convert it to 25fps using Nattress, but I tried just dropping the clips into the 25fps timeline, and they play beautifully smooth, it’s just that they eventually go out of sync. But I am cutting all over the place from 3x cameras and cutaways, so I found that I was able to sync the 23.98fps footage easily over quite a few seconds without any discernible “out-of-sync” look, and I’m talking MS of people speaking as well. So depending what it is, don’t despair, it might not need to be all in sync perfectly. If you’re really creative in your cutting, It might be better to show whole frames than have footage that’s stuttering around because you’ve dropped fields of frames here and there, or melded frames together with a standards conversion, unless you really have to. What put me off initially was that Nattress (which I do love) was going to take 9 hours to convert my clips. I know this is not a solution, and won’t work for most people, but I just thought I’d say this anyway.