When everything is considered in the world of a balancing act to get better views for the money overall. Given the price of these focusers in a scope at < f/5 I'd invest it in a baader or GSO coma corrector. :)
..before I would upgrade the focuser only if the weight cannot take it and force me to, the lock screw can always prevent that in the Crayford unless it is really heavy.
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