If you shooting Pano the worst thing to do is use CPL
try to get ND grand filters to do your job
I'm taking pano pictures for many years now and the only gear you need is a nice tripod with leveling base, nice ball-head ,PTGui,and ND grand filters
you can check my pano work here and if you have any more questions i bee glad to help
http://emmanuel-panagiotakis.artistw...com/index.html