Thanks, Bob. I ended up with a couple of B+Ws on the recommendation of a sales guy at B&H.
Amita > -----Original Message----- > From: Bob Blakely [mailto:[EMAIL PROTECTED] > > Two surfaces out of perhaps 11 that are probably in your > lens? Probably not. > Not that can be observed without scientific insturmentation anyway. > > Regards, > Bob... > > From: "Amita Guha" <[EMAIL PROTECTED]> > > > > For those of you who like to keep UV filters on your lenses for > > protection, is there any difference between the Pentax SMC filters > > and, > say, the B&W > > or > > Hoya multi-coated filters? > >