Learner Posted May 10, 2008 Share #1 Posted May 10, 2008 Advertisement (gone after registration) Hello: I'm going to buy my first lens for my Leica M7... a Zeiss 25mm soon or an Elmarit 24mm later, but I'm apprehensive ... When the terms "coded" or "6-bit" are used does that mean that such lenses can only be used on the M8 and that I should avoid such lenses for the M7? Do I need a "factory-fresh" (unmodified) lens to work on an M7? Converely... It's possible that one day I will buy an M8 or its successor. Can a "factory fresh" lens be used directly on an M8? Thanks, John Link to post Share on other sites More sharing options...
Advertisement Posted May 10, 2008 Posted May 10, 2008 Hi Learner, Take a look here Lenses: confused by talk of coding and 6-bit.. I'm sure you'll find what you were looking for!
R.Morrison Posted May 10, 2008 Share #2 Posted May 10, 2008 While a coded lens is not neccesary for an M7 if you know that you are going to buy an M8 eventually then it would make sense because an M8 should be used with a coded lens. When buying lenses for my Pentax SLRs (K1000, P33t) which were manual focus cameras I bought autofocus lenses because I knew eventually that I was going to go there. I now have an MZ3 and all my lenses work on it. Yours, R. Morrison, M4-P, etc. Link to post Share on other sites More sharing options...
Learner Posted May 10, 2008 Author Share #3 Posted May 10, 2008 Thank you RM. If coded, does a lens lose any integrity when used with a non-M8 camera? John Link to post Share on other sites More sharing options...
RITskellar Posted May 10, 2008 Share #4 Posted May 10, 2008 Thank you RM. If coded, does a lens lose any integrity when used with a non-M8 camera? John 6-bit coding on lenses have no adverse effect what so ever on non-M8 bodies. It's simply nice to have in case some day you do get a M8. 6-bit coding is nothing more than 6 notches on the mounting plate which are colored white or black. The code tells an M8 what the focal length of the lens is. Having this feature on a brand new lens does make it attractive to a slightly wider audience in case you wish to sell it someday. Cheers, Andy Link to post Share on other sites More sharing options...
Learner Posted May 10, 2008 Author Share #5 Posted May 10, 2008 Thanks Andy. John Link to post Share on other sites More sharing options...
Learner Posted May 10, 2008 Author Share #6 Posted May 10, 2008 Thanks Andy. Can non-Leica lenses have 6-bit applied them? Perchance do any non-Leica lenses come with 6-bit applied? John Link to post Share on other sites More sharing options...
Photon42 Posted May 10, 2008 Share #7 Posted May 10, 2008 Advertisement (gone after registration) Can non-Leica lenses have 6-bit applied them? Absolutely. Perchance do any non-Leica lenses come with 6-bit applied? No, they don't. I suspect this would be considered a patent violation. Read here for an intro into the whole story. Regards Ivo Link to post Share on other sites More sharing options...
Learner Posted May 10, 2008 Author Share #8 Posted May 10, 2008 Thank you lvo... I'll check that link. BTW, who codes, let's say, a Zeiss lens? Is it performed by Leica? John Link to post Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.