[Leica] M8 question #2: Barcoding lenses

[leica at web-options.com (Bob W)]

> In summary, for colour, get the 6 BIT coding for your 35 and 
> wider first. If
> you would like the convenience of not changing menu settings 
> with different
> lenses, you can get it on the 50 and longer as you want. Its 
> not needed for
> vignette correction there, however lens detection ON for 
> un-coded lenses can
> cause errors.

what sort of errors? I have a coded 21/2.8, but my 35, 50 and 90mm lenses
are not coded. I keep lens detection on, but have not noticed any 'errors'
so far. Other than my own, of course.

Thanks,
Bob