Apparently Schneider also has a CP in 102mm, but I would imagine that this would suffer from some banding in combination with the 0.6x WA.
http://www.bhphotovideo.com/c/produ...68013002_102_mm_Circular_True_Polarizing.html
http://www.bhphotovideo.com/c/produ...68013002_102_mm_Circular_True_Polarizing.html