Alan,
Beautiful shot! Thanks for detailing your technique for blurring the water on the falls, I might have to try that as I am interested in getting some drone perspectives in some of the falls in my area before it gets too cold and the water freezes too much. I have been shooting a number of falls in my area with my DSLRs and usually use a long exposure with the camera on a tripod. I have been considering purchasing an ND1000 filter for my
Mavic 3 Pro for this purpose but if the method you describe above works just as well or even better I may just use that.
The problem I can see with the ND1000 filter is that it reduces the light by 10 stops and when doing a long exposure I usually want to stop down my aperture (also reducing light) as much as possible to keep the other elements aside from the waterfall in the photo as sharp as possible. This is often tricky to manage on a cloudy or overcast day that we often now have in the winter months. As you are aware, aperture control is only available on the wide-angle 24mm lens, so when using the 70mm lens it becomes even more tricky if using an ND1000.
Would be interested in your thoughts or others on using the ND1000 specifically for waterfall photos on the
Mavic 3 Pro.
Chris