Boxerrrr, thats sick bro! congratulations! Nice pic for being one of the first with it.
An advice I would give you is, idk exactly your lenses, but not every set of those has the same infinity focus point set well (excuse my english, I bet you undertood it tho). to get hyperfocal I think, it could either be 1.5ft, or 1.3ft, or further (at widest f stop, of course). Don't scratch it with a razor haha but a lil piece of tape will do the job well.
Roc, if by smooth you mean, un-sharpen, then yes, it's a lil bit blurry. I don't have autofocus with my 70-300, so I do everything on manual focus mode. IT SUCKS for this kind of photography, even worst with this kind of lenses that aren't actually macro prime lenses so the focus ring is not that accurate/comfortable.
I took just fifty-ish pics, not much for this waterdrop technique but to be honest, after forty tries of dealing with these lenses, a very bad cheap an unsteady tripod and my speedlite working like shiet, I got mad and left.
Oh, and most of shots have that crown-shape because I still can't get the perfect timing. Of course it's practice, but next time I'll try to add some viscosity to the ecuation.