[Leica] how to test focus

[hopsternew at gmail.com (Geoff Hopkinson)]

Ken it will be a much slower process than with a digital camera of course.
Ideally though you want the camera to be calibrated to the centre` of the
tolerance range and lenses if necessary adjusted to that ideal state, not
adjusted to your specific camera. There is a commercial target available
which is meant  to give you precise alignment and adjustment.
http://www.rawworkflow.com/.
You may like to talk to any competent Leica technician about them
calibrating your camera for you if you think that it is out. Depending on
where you live Leica themselves of course can do the job.
Cheers
Geoff
http://www.pbase.com/hoppyman


On 24 February 2010 09:09, Ken <kkanno at users.symmetric.net> wrote:

> Are there any methods of testing the focus accuracy of the rangefinger in a
> M7 vs. body + lense itself?
>
> I've though of making a ground glass that just sits on the film plane and
> comparing using a loupe to the finder, but this is a last resort.
>
> Also, if something is off, are adjustments made to the body, the lense in
> question or both?
>
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