Pros:
Firm Mount, Precision machining, Strong Construction, Thin - no vignetting
Best Uses:
Used with S Ray Vari-ND
Describe Yourself:
Hobbyist/Enthusiast
Bottom Line:
Yes, I would recommend this to a friend
There are much cheaper adapters available. They all bind up or don't go on smoothly. The B+W works smoothly and doesn't collect grit.