Archived posting to the Leica Users Group, 1999/04/23
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]This, I am told, is the actual deviation of the lens from 50 mm. That is, if I have been told correctly, the 22 means that the actual focal length is calculated at 50.22mm. This number has appeared on all lenses from 50 mm on up in the past. I do not know if it appears on current generation lenses. Any more information or a correction Marc? Buzz Hausner > Hi everybody, > > i just bought a summicron-M 1:2/50 Nor. 11825 chrom secondhand. Built in > 1993.S/N 3606387 > Behind the word feet and m (for meter) is a number No.: 22 > What does that meen? > > Regards > > Wolfgang >