I have this and the Nodal Ninja panoramic head. I think the quality of the Sunwayfoto Rotator is as good if not better than the more expensive Nodal Ninja. I use Sunwayfoto more often because it's easier to transport. Note that I don't do spherical panoramas with Sunawayfoto's panhead like I did with NodalNinja (which also has a rotation index for altitude).
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