So a powermate is "a bit sharper" than a cheap Meade Barlow. That does not really justify the huge price diff. What about a good apo Barlow, like the Shorty Plus, which is still less than half the cost of the Powermate? Or the 2" UO barlow, that comes so highly recommended by Dave (see reviews), at around half the cost of a 1.25" P-mate?
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