I have been using an Acratech for a couple of years. At the time the Acratech was released, it was quite unique in its support/weight ratio. However I am not that pleased with it, because of the limited tilt in one direction, the lack for real friction control, and the fact that it takes a lot of force to fully lock. On a number of occasions, I have had camera flops when I though (mistakenly) that the set-up was locked.
I have noticed that there are now at least 3 alternatives, the RRS 40, Kirk BH3, and Markins. From my research so far, here are the drawbacks I see for each:
- RRS: smaller ball diameter, pan and main knobs are on opposite sides (does that make it more difficult to operate with one hand ?)
- Kirk: heavier, not much of a progressive tension control
- Markins: some complaints of it becoming sticky in cold weather
Any experiences ? The ball head would be used both with a Canon series 1 and up to 400/5.6, and a Canham 5x7 on a Gitzo 1227. I also have a 1325 with the Arca. Price and original clamp are not a deciding factor.
PS: I noticed that Acratech came up with a new design that addresses limitations of their original head, but at that point I'd rather try something else
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