Archived posting to the Leica Users Group, 2000/01/18
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]S = Series, the system in which the filters had no thread or slip over, but are held in place with a retaining ring. It allowed you to use one set of filter for a number of lenses with varying thread size, by purchasing only the approriate retaining ring, a lot cheaper than owning a number of filters in every size you required. Noel Charchuk On Tue, 18 Jan 2000, George Huczek wrote: > > At 07:58 PM 17/01/2000 -0800, you wrote: > >At 7:37 AM -0600 1/18/00, George Huczek wrote: > >>Where did the "E" designation on filter sizes originate? > >Comes from the German; 'Einschrauben', meaning 'to screw in'. As opposed to > >the 'A' filters from Leica, the 'Aufsteck' or clip on type, as in A36. > >Different 'E' type filters can have different thread pitches, as in 'E67' > >almost works in items threaded for Series VIII retaining rings. > > > What does the "S" stand for, as in the S7 filter size? > > >