Share 'Sting Action too high?'

After spending an awesome time with Bell & Son's and Mark at the Midland Folk Festival. I took a closer look at my Prest banjo and notice... The string height is a LOT higher action then Terry's Awesome Bell Banjo's these are a fine piece of craftsmanship  What should the action be at the first postion? I thinking this may be "ONE" of the discouraging issue I have with playing my Minstrel Axe…