[Leica] Possible lens adjustments

[john at mcmaster.co.nz (John McMaster)]

Thanks, I forgot to add that it just had (Feb 2012) a $$$ outing to Solms 
for 6-bitting and calibration....

john
________________________________________


If it is inconsistent across the distance range, it needs the cam
machined. Don Goldberg can do it, he did it to my 50mm Summicron. I think
it cost $90

--
Chris Crawford



On 4/15/12 5:28 PM, "John McMaster" <john at mcmaster.co.nz> 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
>
>___________