Archived posting to the Leica Users Group, 2014/04/01

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Subject: [Leica] Inconsistent lens detection on M 8
From: red735i at (Frank Filippone)
Date: Tue, 01 Apr 2014 18:24:13 -0700
References: <04cd01cf4d6d$e956d630$bc048290$> <398474707.1735861396365521084.JavaMail.root@dsmdc-mail-mbs12>

Absolutely true.... but the person had Voigtlander lenses.... which also
need to be checked.... some will not work with the mount ring.

The pre asph 35 and ( some of the ) 50 Lux, will not work. 

Read and research before getting caught...

Frank Filippone
Red735i at

-----Original Message-----
From: at
[ at] On Behalf Of
grduprey at
Sent: Tuesday, April 01, 2014 8:19 AM
To: Leica Users Group
Subject: Re: [Leica] Inconsistent lens detection on M 8

Frank, this works for most M lenses, but there are a few that this will not
work, such as the 35 Pre-Asph Summilux, which has a totally different mount
which is part of the lens body.  But this method is certainly the best of
the after market methods.  So to those wanting to do this, make sure your
lens mount can be removed easily before jumping down this path.


----- Original Message -----
From: "Frank Filippone" <red735i at>
To: "Leica Users Group" <lug at>
Sent: Tuesday, April 1, 2014 12:47:47 AM GMT -06:00 US/Canada Central
Subject: Re: [Leica] Inconsistent lens detection on M 8

Ditch the Sharpie.... for $20-30 you can buy a new lens mount for your lens,
with pre-scribed coding already machined.  Buy a $10 set of screwdrivers, a
bottle of black nail polish/paint, a few toothpicks and you are off to the

Does the new mount properly, let it dry.  Remove the 4 screws that hold the
old mount in place, replace the mount, put 3 screws back in....

Places on Ebay sell the mounts.....

Frank Filippone
Red735i at

Gene,  I am using a Sharpie fine point marker and a kit called Coder Kit
made by Match Technical.  

I am just getting around to coding my lenses.  I am getting inconsistent
results.  My 28mm f2.8 and 50mm f2.8 show up fine but my 50mm f2 and
Voigtlander 50mm f1.5 and 12mm f5.6 are not detected.  A Voigtlander 35mm
f1.7 was not detected on the first shot but detected on the second.  Any
ideas why the inconsistency?  richard

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In reply to: Message from red735i at (Frank Filippone) ([Leica] Inconsistent lens detection on M 8)
Message from grduprey at (grduprey at ([Leica] Inconsistent lens detection on M 8)