Archived posting to the Leica Users Group, 2006/11/27
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]I just unscrewed the optical unit of my rigid v.2 Summicron and could see numbers hand-engraved inside the mount. One was the number 53 and the other was 16+. I think 53 refers to the focal length. The same is true of my LTM 90mm Elmar which is inscribed in pencil with the figures 916 (91.6?) and 0130. Anyone know more about this? -- Phil Swango 307 Aliso Dr SE Albuquerque, NM 87108 505-262-4085