For such a price it's pretty good. It's not the most reliable device. The camera's locking knob looks like cheap plastic and is difficult to turn. Once that's done, it works fine. The gear has some play. Not enough to cause a problem, and there are two-bar locks to further mitigate that shortcoming. If it was more than $30 I would probably only give it 3 stars but it is a good value for most of your macro photography needs.
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