On the contrary, the information provided was relevant to your question, but in a general sense. Your question was also answered, or at least parts of it were, but maybe nobody has used the exact combination you were curious about.

For example, you learned that the letters after III mean more than cosmetic changes, as you had assumed. You also learned that lenses of similar design have similar falloff, and are likely to be served well enough by any filter intended for that design that mechanically fits, even from a different maker.

The thread is still working on the issue of cross-brand compatibility, which is precisely what you asked about.

A lot is us here (and not just here) are old and curmudgeonly. Several of our chief curmudgeons have participated in this thread. Sometimes we ask them to reel it in. But I for one don’t see the problem in this thread—the topic may be broader than you supposed and other readers may have need for the more general discussion even if you don’t. I would commend to you continued participation, though perhaps with a bit thicker skin and less baggage from what are apparently past encounters. There is much to be learned from our old curmudgeons, even if the meat is sometimes a bit salty.

Rick “with all due respect: OPs do not own threads” Denney