Archived posting to the Leica Users Group, 2006/01/29

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Subject: [Leica] M3 Rangefinder Near, Far and Rate
From: mkochsch at shaw.ca (Michael Koch-Schulte)
Date: Sun Jan 29 15:53:07 2006
References: <003401c6250f$78ca9f80$a400a8c0@kitsch> <8008F4F5-FA01-4CBF-88C9-2C7570AF361A@shaw.ca>

[Spit take] You're following me! Yikes. ;^) OK.
Since printing up the target I posted on photo.net it's make calibrating
much easier. It turns out my problem was fixed by tweaking the big eccentric
cam (infinity) counter clock-wise when holding the camera upside-down. I'm
done with it for a while thanks for your help though.

~m

----- Original Message ----- 
From: "John Collier" <jbcollier@shaw.ca>
To: "Leica Users Group" <lug@leica-users.org>
Sent: Sunday, January 29, 2006 2:55 PM
Subject: Re: [Leica] M3 Rangefinder Near, Far and Rate


> The rate is adjusted by changing the  length of the rangefinder
> follow arm. Where it pivots there is the adjusting eccentric.
>
> The near focus stop is also near the pivot.
>
> The infinity adjustment is the eccentric screw which holds the follow
> roller.
>
> Start with an infinity adjustment. Everything OK then leave it alone.
> Near focus off? Then you need to change the length of the follow arm.
> Trial and error is the only way without the special tools. A
> professional rangefinder calibration is fairly inexpensive so I would
> recommend anything other than an infinity adjustment goes to an
> experienced Leica repair person.
>
> John Collier
>
>
> On 29-Jan-06, at 1:06 PM, Michael Koch-Schulte wrote:
>
> > I read this on Dante Stella's page, that the M3 finder has three
> > adjusts. Near, Far and rate. I've read the page at nemeng and am
> > still confused about this. Does the big silver cam adjust rate or
> > infinity? Thank you.
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information


In reply to: Message from mkochsch at shaw.ca (Michael Koch-Schulte) ([Leica] M3 Rangefinder Near, Far and Rate)
Message from jbcollier at shaw.ca (John Collier) ([Leica] M3 Rangefinder Near, Far and Rate)