Archived posting to the Leica Users Group, 2012/04/15
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]And I'll add that in the best case, the lens will slightly front-focus at f/1.4 and should be spot-on at other apertures. At f/11 (if I recall), the DOF takes over. Dante On Apr 15, 2012, at 5:28 PM, John McMaster wrote: > Just what is possible with tweaking? > > I tested my 75mm Summilux yesterday, tripod and 1.4x magnifier, at f1.4-f8 > in full stops. I am more interested in the wide open focus. > > It is spot on 10m to infinity. > > It back focusses greatly 3m to 8m (+10cm) > > It back focusses less so <3m > > Will it ever focus correctly at all distances? > Will I have to choose an aperture and distance to get optimum calibration > and the rest all fit around that? > > thanks > > john > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information