I have one and use it with a Skywatcher ED80.
I have not had heaps of refractor experience (the ED80 is my first foray above the Department store ones) but the mount seems plenty sturdy and smooth for my use which is 100% visual. Regularly the ED80 has Binoviewers attached and that does not seem to cause any stress or difficulty at all.
I actually bought the one Bintel had on display (I think it was their first one in store), took it home and have been using it ever since. I have not looked to see how the legs are attached to the head as I keep it assembled and up most of the time in my garage for "quick" viewing when I get the chance.
It is going to be a few days before I'll get a chance to check on how the legs are attached to the head so if you need a quick response just give a call to the store...otherwise this weekend I can check.
I had been considering a Vixen Porta-mount when I bought this one.
It works nicely for what I use it for and I thought/think it is good value for what it is.
At this point there is not an option to motorize it that I am aware of but I suspect that over time there might be that options too.
Good Luck!
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