Archived posting to the Leica Users Group, 2001/04/02
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Frank, True enough, but it would make sense to test the lens on a tripod first to be sure that the lens isn't the culprit. If the lens misfocuses wide open at min. distance on a tripod, then that is useful information even if you shoot handheld. I know now, for instance, to focus on an ear if I want the eyes in focus. Whether or not I successfully hold focus on an ear is another matter altogether. Dan > On a practical note, my concern with the Bessa T and its use with the noct > or 75 f1.4 wide open is not whether it focusses accurately enough but > whether I could hold the camera still enough whilst moving my eye from > rangefinder window to viewfinder for the desired area still to be > within the > depth of field. People who fine focus these lenses by moving slightly fore > and aft will know what I mean. > I have no intention to use a tripod with such lenses. > cheers Frank > > Dan wrote > > > > Tom, > > > >> The 75/1,4 did show some mis-focus at extreme > >> close-up, but that could have been my doing. It was a bit of a > >> hit and miss. > > > > If you haven't done so already, you will want to test the 75 at nearest > > focus, f1.4, on a tripod with both the Bessa T and an M6 body > (.85x pref.). > > Since the Noct focuses fine close and wide, I suspect your 75 > may suffer the > > same problem as mine (and other samples): at < 1.5 m, its focus > begins to > > creep closer than the RF indicates. At .7 m, mine focuses a > full 3 inches > > closer than its target (as tested on two different bodies).