Quote Originally Posted by rbarker
While I haven't done any scientific testing, my guess is that putting a high-precision, optically perfect filter in front of a cheap lens is probably a waste of money. Thus, folks shooting with "consumer-grade" lenses can probably get by with Tiffen or other so-called second-tier brands, and never see any difference. Conversely, those using top-quality lenses will probably noticeably degrade image quality with less-precise glass filters. Similarly, with top-quality lenses, you're more likely to see the benefit of multi-coated filters.
Well ... I was referring to my experience with the Hasselblad. Those lenses are considered to be "pretty good".