Trevor and Anne from our club in southern Sydney have a 12" version. The optics look good and the mechanics seem quite robust without modifications. Extra cross trusses (like some have done) or cables might add to the rigidity, but it certainly doesn't look as though it's required if all you use are 1.25" Plossl EP's. The focuser doesn't like to take 2" EPs or collimators, and maybe this is done on purpose to avoid the extra weight in the secondary cage - thus avoiding flex a little more. Other than that, as a ready-to-go package that they can flick in and out of the car in a couple of minutes it does its job very well.
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