Archived posting to the Leica Users Group, 2007/08/31

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Subject: [Leica] Migrating to M8: What's Really Necessary?
From: imagist3 at (Lottermoser George)
Date: Fri Aug 31 15:22:26 2007
References: <>

On Aug 31, 2007, at 3:42 PM, Leonard J Kapner wrote:
> 1) Which of my lenses MUST be six-bit coded?

I only have one 6bit lens (50 lux asph) Doesn't seem to matter much  
unless you really need exif data about the lens on the camera. I  
suspect that vignetting may be reduced if I had the 28 cron and 35  
lux ash coded. However, that is so easily accomplished in software  
that it doesn't seem to demand attention.

> 2) Is there a reputable source other than Leica USA for this service?

No idea.

> 3) In order to mitigate focus shift issues, should my lenses also be
> recalibrated at the same time they're coded?

I'd wait to see if you have a focus shift problem. It seems that some  
folks do and others don't.

> 4) In order to recalibrate lenses properly, do the technicians need  
> to have
> my M6/7/8 bodies at hand?

Not sure. It all needs to be tested once you receive your M8. You may  
not need to give it another thought.

> 5) Are IR cut filters in the necessary ring diameters readily  
> available now
> from Leica?

Doesn't seem so. However, they seem to be arriving sooner rather than  
later now than early on.

George Lottermoser

> TIA for your advice and guidance!

In reply to: Message from kapner at (Leonard J Kapner) ([Leica] Migrating to M8: What's Really Necessary?)