Yeah I just got my 5x powermate, and do have to wind the focus inwards in order to focus an already focused eye-piece.
I visually used it once, and dare say I will not do so again... I bought it primarily for planetary imaging, and the views through it vs my 3x ED barlow were soft and somewhat lifeless in my 8" newt. however this could well have been due to the seeing conditions, which have been less than decent of late.
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