Archived posting to the Leica Users Group, 2000/10/14
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]John, thanks for this. It surprised me that the extra distance between 1m and 0.7m might require such extra travel (about 1.5mm), but indeed it does seem to be the case, having just measured it - very roughly ;-) Jem - ---- Original Message ----- From: John Collier <jbcollier@home.com> > From the Leica web site: > > ........because all distances from 0.7 m to infinity must be focused with a > travel of only 4.437 mm. > > > From: "Jem Kime" <jem.kime@cwcom.net> > > > > Look at any 50mm lens and then measure (incredibly accurately) the distance > > moved and the focus achieved. (e.g. one millimetre = inf.-25') etc. I > > measure (very roughly) that there are three millimteres of travel between > > inf. and 1m focus. >