Polarizer for Zeiss 15mm f/2.8 ZF.2 lens.

I should mention that I had ordered the lens back in March, so I had plenty of time to try to figure out what possible ways to get and ND and polarizer together on this lens.  Though the B+W is slim, guessing maybe 3mm.  The combination of the two gives 8mm, which I was pretty sure would vignette.  There's just so few options at 95mm.  I really think my best bet is to mount the ND right to the front of the polarizer, making a combo filter.  Just haven't found a thin enough retaining ring yet that I could easily remove from a filter.  At the end of the day, the vignetting is so slight, I could always crop.

I thought I saw some vignetting in the photos you posted, was that with the Zeiss polarizer??  It sort of surprised me as I thought there'd be no vignetting with the Zeiss/Zeiss solution.

-Tim