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Focus and 6 bit coding


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I do have problem with back focus on my M8

 

The Leica representative in my country says that might be because my lenses miss the 6 bit coding

 

Does it make sense?

 

I find that hard to believe!

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Well, it is not supposed to have anything to do with the focusing system. However, when my 35/1.4 ASPH was returned from coding, it no longer focused properly. I returned it because something was changed--the thickness of the mounting ring? a shim left out?something?--during the coding operation.

 

With regard to the question at hand: coding will not enhance focusing and should not change it, either.

 

Joe

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Varying thickness in mount plate used for 6-bit coding?

 

Hmmmm .... I wonder if that's what Bill Hollinger was having?

 

 

Bill,

 

If you are reading this, please let us know if your lenses are 6-bit coded?

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I do have problem with back focus on my M8

The Leica representative in my country says that might be because my lenses miss the 6 bit coding

Does it make sense?

I find that hard to believe!

 

Without putting to fine a point on it, that leica rep should be taken outside and shot for making such an idiotic comment. Coded or non coded lenses have nothing to do with sharpness. The code is merely a optical marking on the lens which the sensor in the camera can read to identify the lens being used and provide some colour/exposure enhancement to parts of the image to reduce cyan drift or vignetting and record the focal length and lens maximum aperture in the exif info.

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I do have problem with back focus on my M8

The Leica representative in my country says that might be because my lenses miss the 6 bit coding

I find that hard to believe!

 

Jarle,

Please tell me that comment didn't originate with the Leica tech I mentioned the other day....?

 

- Carl

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