Archived posting to the Leica Users Group, 2007/03/13

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Subject: [Leica] 6 bit coding for m8 lenses; Sharpie?
From: robert.rose at (Robert Rose)
Date: Tue Mar 13 07:19:56 2007

I had the 35mm coded, but I will wait until I see the result of using the
filters on the balance of the lenses.  From my results on a 17-55 Nikon
lens, the IR magenta case doesn't show up until you are at 21mm and below.
At 17mm it is pronounced.

For the Noctilux, the vignetting issue seems to be gone since the smaller
sensor has taken only the "sweet spot" where vignetting is not noticeable.

For the Tri-Elmar, I plan on waiting to see whether it needs it.  I don't
know whether the camera is able to detect which of the three focal lengths
is dialed in, so why bother with the coding?

Has anyone had luck with the Sharpie method of coding?

Can we start a petition to ask Leica to put manual coding into the next
firmware upgrade?

Bob Rose


Message: 18
Date: Tue, 13 Mar 2007 08:57:24 -0400
From: Leonard Taupier <>
Subject: Re: [Leica] 6  bit coding for  m8 lenses
To: Leica Users Group <>
Message-ID: <>
Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed


I'm only coding my wide angles. Except for seeing which lens was used
in the EXIF data, I see no reason to code above 35mm. I have filters
on all my lenses except those which take 60mm filters and see nothing
wrong with 50mm and above. I can't speak for the Noctilux but I don't
see vignetting and coding won't make it focus better.


On Mar 13, 2007, at 8:18 AM, terry wrote:

> I am wondering what the LUG sees as the big advantage to having all
> your Leica lenses coded?
> 28, 35, 50 1.4, 50 1.0, 75, 90
> Given the turn around time I received on one lens (28) I am
> wondering how I would ever schedule the
> rest imbetween jobs and use.
> Terry

Replies: Reply from eduardoalbesi at (Eduardo Albesi) ([Leica] 6 bit coding for m8 lenses; Sharpie?)
Reply from red735i at (Frank Filippone) ([Leica] 6 bit coding for m8 lenses; Sharpie?)
Reply from heninger at (Wade Heninger) ([Leica] 6 bit coding for m8 lenses; Sharpie?)