Archived posting to the Leica Users Group, 2000/03/11
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Mr. Lee, The polarising filter is a sandwich of polarising material between two pieces of glass. The screw in polarising filter has the glass element sandwich in a rotating mount. In other words the whole glass sandwich rotates as one unit. The series 7 polarising filter does not need a rotating mount as the shade itself provides this function. John Collier > From: "claire" <clairetm@singnet.com.sg> > > U wrote........ > >> I am not the best source of R info but as far as I understand the "wheel" > in >> the hood allows you to turn the series 7 polarising filter with the hood in >> place. If you use a threaded polarising filter it is very difficult to turn >> the filter with the hood in place. > > > Oh ...... I see........ that makes sense........ I gather that the Series 7 > polarizer is actually ONE piece of glass rather than the usual 2 rotating > pieces of glass. > > Am I correct ? Cos I haven't seen a Series 7 polariser before. >