Summary: This filter is well worth the money... DO NOT BUY A CHEAP UV FILTER! The hoya is easy to screw on the lens and serves its purpose of protection very well.
Pros: Clear Optics, Firm Mount, Strong Construction
Summary: Why buy a great lens and put a cheap filter over it? The lens is only as good as the weakest link. Have a great lens? Put a good, quality filter over it.
Summary: What can be said about a filter - not a lot unless it degrades the image or is of poor build quality. Well with this filter it is well made and does not degrade the image...