The new version (currently in Beta) of BlurXTerminator by Russel Croman is going to fix many of your previous issues. He's training it on tilt, coma and focus issues and it's exicting that in true Google style software is going to be able to assist with hardware issues soon.
Saying that, in terms of bang for buck absolutely cannot fault the Askar! I had a Sharpstar 94 for years and only just sold it. They are great scopes.
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