I can't answer how much focus travel will be needed with Ekos, but I think that is about the travel I had with my original Evostar 72 and Sequence Generator Pro focused OK with it.
The only thing I had to do with mine was linish down the outside of the flexible coupler I used as from memory it fouled on the inside of the focuser housing and needed a mm or so reduction in diameter to avoid it fouling.
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