I have one of these scopes. Optics are very good and value is excellent. Would recommend adding Bobs Knobs as the collimation screws that come with it are fiddly. The Alt movement is excellent, with the adjustable tension mechanism being a great innovation. Would can move the axis up and down to assist with balancing as well. The Az motion is very loose. I was able to get the scope to do 3 full rotations if I gave it a fair shove. I added a couple of bits of felt between the 2 plates too slow it down a bit which worked fine.
It is a bit of a beast, you will need a trolley to assist with transport!
Can't give a comparison with the SW Coll scope, but I am very happy with mine and views are great!
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