Must be for bat photographers. > > >I wonder if anyone else has noticed that they put the tripod bush in > > the wrong place. > > Don't know for sure, but most likely the tripod mount rotates. > My 200mm Macro & 600mm do. > > >> > >> http://www.pentaxforums.com/forums/pentax-slr-lens-discussion/ > >> 32236-shooting-da-60-250-a.html > >>