After consulting the oracle some time ago (this thread of course!), I too have been using 11809 for the ZM25. I will also give 11804 a whirl.
Now excuse me, but I just had to share this new image (taken on my A7R with ZA55/2).
No doubt you will understand why I have posted here. I received the lens on the right today. Ironic given that my first decent 35 was the one on the left. I think it may be sold, but I haven\'t evaluated the ancient one ( ) yet...
) yet...