Archived posting to the Leica Users Group, 2019/03/22

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Subject: [Leica] Lens coding
From: lluisripollphotography at gmail.com (Lluis Ripoll)
Date: Fri, 22 Mar 2019 22:41:55 +0100
References: <2e05d9a1-6585-e0be-2665-899de7838308@gmail.com>

I?ve never saw any difference with a coded or nor lens, for me is just a 
complementary information. In my experience I only recommend never use these 
alternatives:

- Buy lens flanges with coding pits from eBay and install and paint them 
myself. (beware Chinese quality control?)
- Using my M coder template and an oil-based industrial marker to code the 
lenses myself. I've done this before, but it is painstaking, requires some 
trial and error, and has to be redone periodically.

Of course I recommend Leica or any other reputed workshop, I suppose DAG is 
very good

Cheers
Lluis
 

> El 22 mar? 2019, a les 10:04, Peter Klein via LUG <lug at leica-users.org> 
> va escriure:
> 
> To fellow digital M users:  What do you folks do about lens coding?
> 
> Some of my lenses are coded, some aren't.  My general sense is that 35mm 
> and shorter lenses need to be coded to avoid cyan drift in the outer 
> regions. But for 50mm and longer, it doesn't matter much unless one cares 
> that the EXIF data contains the correct focal length. I've found that when 
> I'm changing lenses in fast situations, I can't count on always changing 
> the manual lens ID in the menu.
> 
> I'm planning to get a couple of Fotodiox PRO adapters for my 50 and 90mm 
> LTM lenses.  Their reviews on the B&H site seem to be mostly positive, 
> unlike some other brands. Can anyone here verify this or suggest a better 
> alternative?
> 
> As for my still uncoded M-mount lenses, I'm torn between coding them 
> myself, leaving them alone, or getting them coded professionally. Choices 
> include:
> 
> - Have Leica do it, at I believe, $300 dollars a pop.
> - An independent repair person like DAG, or, who else?
> - Buy lens flanges with coding pits from eBay and install and paint them 
> myself. (beware Chinese quality control?)
> - Using my M coder template and an oil-based industrial marker to code the 
> lenses myself. I've done this before, but it is painstaking, requires some 
> trial and error, and has to be redone periodically.
> 
> Advice based on personal experience would be appreciated.  Thanks!
> 
> --Peter
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information



In reply to: Message from boulanger.croissant at gmail.com (Peter Klein) ([Leica] Lens coding)