Archived posting to the Leica Users Group, 2001/11/27

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Subject: Re: [Leica] Focus problems with 90mm
From: Mr logan reinwood <reinwood007@yahoo.com>
Date: Tue, 27 Nov 2001 00:49:35 -0800 (PST)

Hi,

This is not a "solution" but 
in order to check if your lense is ok you can also try with a mirror.

Focus on the frame (border) of the mirror at 2m for example and then
focus on the image of you in the mirror, the lens should indicate 4m.
you can repeat with other distances.


Hope it helps,

logan.


- --- Adam Bridge <abridge@mac.com> wrote:
> I have the f2.8 90mm lens and with my new .85 M6 TTL it wants to
> focus
> behind where the range finder says the focus is. The 50mm Summicron,
> however, seems to focus very precisely.
> 
> What is the solution for this vexing problem?
> 
> I shot very carefully from a tripod, focused the eyes exactly - but
> the
> focal plane seems to be about 6" behind what the range finder gave me
> - it's
> worse, of course, at longer distances.
> 
> Thanks
> 
> Adam
> 
> --
> To unsubscribe, see
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