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Hi again Draco. I have used both GSO and SkyW, and optically there is nothing to choose between them. I suspect the mirrors come from the
same factory. Sky comes with 2 EP's, 10 & 25mm. and straight through
9 x 50 finder. The Sky OTA is approx 14kg, probably slightly heavier
than the GSO, due to the castings and tubes that form the collapsing mechanism. Any difference in swivelling smoothness probably comes
down to individual scopes, being as they are mass produced. I don't
know about the GSO, but you can get the kit to upgrade the Sky to
Go-To.
I personally find R/A finders confusing, owing to the different
optical orientation, and don't like not being able to glance up
along the tube to align with the object I'm looking for. One thing
I really like about the Sky is being able to carry it with one hand by
one of the tubes whilst carrying the base in the other hand, saving
me a trip to and from the car. Anyway, you pays your money and
takes your choice. It's becoming a bit like Holden and Ford.
raymo
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