Sorry to hear that you had a poor night, but think of it this way...it can only get better from now on
It'll take you a few nights to get used to the scope, work out its kinks etc, but before long you'll be cruisin the skies like a pro
With the finderscope, on those GSO models, there is a locking ring between the tube and the lens assembly (the bit at the very front) loosen that and you can adjust focus by rotating the lens assembly. Tighten the locking ring up when you've found optimum focus.