6 bit lens coding for Summicron 35mm V2

[LeicaFan]

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I can't seem to fine the 6bit code for Summicron 35mm v2 on this forum.

 

Which 6bit coding kit should i get?

[01af]

I can't seem to fine the 6-bit code for Summicron 35 mm v2 on this forum.

That's because a 6-bit code for the Summicron 35 mm v2 doesn't exist.

 

I guess the best you can do is to use the code for the Summicron-M 35 mm v4 instead which is 000110 (6).

[LeicaFan]

What difference would it have?

And what's the resulted effect of not having the lens coded?

 

 

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[01af]

What difference would it have?

Difference to what?

 

 

And what's the resulted effect of not having the lens coded?

More vignetting on the digital Leica M cameras (and of course, no effect on film M cameras).

 

With M9, M9-P, M-E, M Monochrom, and M (Typ 240), you can always just as well select the "Summicron 35/2" setting from the lens menu manually. To the camera, it doesn't make any difference whether the lens type info gets communicated automatically via 6-bit code or manually via lens menu selection. To you, the difference is that you will keep forgetting to switch the lens codes when changing lenses.

[LeicaFan]

Can them8 can code manually on the camera?

 

 

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[LeicaFan]

M8

 

 

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[lct]

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No but aside from exif data, you don't have to code this lens to take superb photos on the M8. Corrections made by the camera are almost invisible actually and will be better done in PP anyway. Don't forget to use an UV/IR filter though. Much more important than coding on the M8.

[sdk]

I’ll put in another plug for the Adobe DNG Flat Field Plugin for Lightroom from Adobe Labs. This can correct color casts or color casts plus vignetting for any DNG file by using a second reference file of a plain white or grey subject (I shot reference frames of a piece of opaque white plexiglas cut to the size of a credit card at each aperture of the lens). The software generates a new DNG file with the color corrections applied. It works well with lens correction on or off in my M9P, but should work for M8 too.