Archived posting to the Leica Users Group, 2001/06/06
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I think I'll go check out the Cosina-Voigtlander list for some Leica chatter... Jim At 07:14 AM 6/6/01 -0700, you wrote: >In his original message Erwin did say "a bandwidth of .06mm". This to me >implies "+/-.03mm" as bandwidth is usually interpreted as the maximum range >of the signal on both sides of the 0 line. So that means that Leica has a >tolerance of +/-.02mm, and the Hexar has a tolerance of +/-.03mm - not >nearly as bad a result as Erwin implies in his subsequent statement "Leica >tolerances are 3 times as narrow as the Konica ones (0.02 versus 0.06)". > >Erwin's apparent misstatement aside, it does leave the nagging question of >the nominal back focus in each case - the Leica's 27.8 and the Hexar's 28.0. > >Paul > >-----Original Message----- >From: Cummer Family [mailto:cummer@asiaonline.net] >Subject: [Leica] Re: Hexar Back focus > >I asked Mr. Leung to look at the Hexar service manual and read with my own >eyes that the back focus is 28mm +/- 0.03mm - not the 0.06mm which Erwin >reported on May 9 2001 to the LUG: