Originally Posted by SaveKodak
I tried to purchase a 'coder kit' from Match Technical, only to be informed that they discontinued it! Bummer. I have some Zeiss and VM lenses that I'd like coded, mostly just to have the data in my files. Are there any alternative DYI solutions to coding? A certain type of pen that writes best on the mount surfaces? (Shooting a 240).
I used the coder kit for a while with my M9. Over time, I found pen marking codes somewhat fussy, unreliable, and prone to failure ... especially once I switched over to the M-P typ 240. It proved much more reliable to manually select the correct code for my un-coded lenses, and I set up the M-P's user configurations to allow me to choose between any one of three lenses uncoded lenses or use the coding in the easiest possible way.
Having six-bit codes installed by DAG has been the only way to ensure that the right code will be used with both M-P or SL.
So ... my recommendation is to have the six-bit codes properly installed on the lenses. And I happen to know where an used coding kit is sitting... :-)