marknorton Posted July 28, 2006 Share #1 Posted July 28, 2006 Advertisement (gone after registration) The first batch of 4 of my lenses are back from being coded in Solms, so here are some scans of the back of the lenses to show you the coding: 21mm Elmarit ASPH Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/2301-lens-codings/?do=findComment&comment=20783'>More sharing options...
Advertisement Posted July 28, 2006 Posted July 28, 2006 Hi marknorton, Take a look here Lens Codings. I'm sure you'll find what you were looking for!
marknorton Posted July 28, 2006 Author Share #2 Posted July 28, 2006 28mm Summicron ASPH Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/2301-lens-codings/?do=findComment&comment=20784'>More sharing options...
marknorton Posted July 28, 2006 Author Share #3 Posted July 28, 2006 35mm Summilux ASPH Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/2301-lens-codings/?do=findComment&comment=20786'>More sharing options...
marknorton Posted July 28, 2006 Author Share #4 Posted July 28, 2006 90mm Elmarit-M Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/2301-lens-codings/?do=findComment&comment=20788'>More sharing options...
Guest stnami Posted July 28, 2006 Share #5 Posted July 28, 2006 .......and we thought you were kidding about the photos. What on earth were we thinking? Link to post Share on other sites More sharing options...
marknorton Posted July 28, 2006 Author Share #6 Posted July 28, 2006 I'm a man of my word!! Coming soon to a User Forum near you: the coding for the 50mm Summilux ASPH, 35mm Summicron pre-ASPH, 75mm APO Summicron and first generation Tri-Elmar. Link to post Share on other sites More sharing options...
andybarton Posted July 28, 2006 Share #7 Posted July 28, 2006 Advertisement (gone after registration) Hurry up - the edge of this seat is getting uncomfortable. Link to post Share on other sites More sharing options...
Bob Ross Posted July 28, 2006 Share #8 Posted July 28, 2006 Neat job Mark. I put my 35, 50 & 90 Summicrons up to your images and found that one of the mount screws falls in the coding area on each one. It will be interestigng to see what they do with your 35/2, when you get it back. Thanks for the look-see. Bob Link to post Share on other sites More sharing options...
stunsworth Posted July 29, 2006 Share #9 Posted July 29, 2006 The following appears on the website of Leica dealer 'The Classic Camera' concerning the use of the codes... "The digital M writes the lens data it gets off this code to the Exif file and utilises this information to process the data for optimum image quality. For example, the natural vignetting of certain lenses can be corrected. In flash mode, the output of the pre-flash will be determined by the focal length of the lens in use - this information being supplied by the 6 Bit code. Dedicated Metz flash units as well as future Leica models will be able to set their angle of view to match that of the lens in use and thereby achieve optimal illumination." Link to post Share on other sites More sharing options...
like_no_other Posted July 29, 2006 Share #10 Posted July 29, 2006 ....."The digital M writes the lens data it gets off this code to the Exif file and utilises this information to process the data for optimum image quality. For example, the natural vignetting of certain lenses can be corrected...." Interesting information. Due to the fact that most of the DMR users shoot RAW format as far as I can read in this forum I suppose that M8 users will do pretty much the same. For these people it would be a benefit to find out about if the above addressed optimization applies to RAW data as well. Unfortunately Leica does not provide us with serious in-depth information before we send in the lenses. At least not sufficient information on their website. Best regards Link to post Share on other sites More sharing options...
stunsworth Posted July 29, 2006 Share #11 Posted July 29, 2006 Philip, I'm guessing that the information provided would put up pre-determined settings in the RAW convertor. Link to post Share on other sites More sharing options...
Sandokan Posted July 30, 2006 Share #12 Posted July 30, 2006 So to get really geeky:- 21 Elmarit Aspherical = 111001 = 57 28 Summincron Aspherical = 101001 = 41 35 Summilux Aspherical = 010001 = 17 90 Elmarit M = 100110 = 44 ... which means nothing to me so far, but maybe after a few more lenses, somebody with more brain power will work it out ... . Link to post Share on other sites More sharing options...
marknorton Posted July 30, 2006 Author Share #13 Posted July 30, 2006 Excellent! What we don't know of course is whether to read the code left to right or right to left and whether black=0/white=1 or black=1/white=0. That 21mm code could be: 111001 = 57 000110 = 6 100111 = 39 011000 = 24 It would be very un-Germanic to assign the codes at random but it will be interesting to see whether they have based it on focal length, lens number, date of introduction, grouped focal lengths together or something else. I assume an uncoded lens will return "all white", which could make it 0 or 63. I agree though that 4 lenses does not give us much to go on. Link to post Share on other sites More sharing options...
Sandokan Posted August 1, 2006 Share #14 Posted August 1, 2006 Hi Mark You could be right - but as my middle name is "Never Wrong" ... ! (and yes I am married to Ms Wright) Anyway, if we get enough to decipher, we can work out which one makes more sense. Does it make sense to note max aperture of lens? What else? Link to post Share on other sites More sharing options...
grober Posted August 2, 2006 Share #15 Posted August 2, 2006 What was the turnaround time for these lenses through Solms? Also, you sent them directly to Solms and not through a dealer? -g Link to post Share on other sites More sharing options...
marknorton Posted August 2, 2006 Author Share #16 Posted August 2, 2006 They took about 5 weeks but there was some start up time in there and I am still waiting for a second batch of 4 lenses to come back, they tell me they are waiting for the bayonet ring for the 35mm pre-ASPH Summicron. It was much easier for me to send them directly to Solms. DHL picked them up, no customs issues here in Europe. For the US, it makes sense to send them to Leica NJ because I read they can do the swap (5 minute job, max) from, I think, August 20. Link to post Share on other sites More sharing options...
cbretteville Posted August 2, 2006 Share #17 Posted August 2, 2006 So to get really geeky:-21 Elmarit Aspherical = 111001 = 57 28 Summincron Aspherical = 101001 = 41 35 Summilux Aspherical = 010001 = 17 90 Elmarit M = 100110 = 44 ... which means nothing to me so far, but maybe after a few more lenses, somebody with more brain power will work it out ... . The only 'pattern' I can see is that the ASPHs have an odd number and the non ASPH an even one. BTW the correct decimal number for the 90 is 38 (assuming, off cause, that the white dodts are ones and black ones zero). Link to post Share on other sites More sharing options...
grober Posted August 2, 2006 Share #18 Posted August 2, 2006 It was much easier for me to send them directly to Solms. DHL picked them up, no customs issues here in Europe. For the US, it makes sense to send them to Leica NJ because I read they can do the swap (5 minute job, max) from, I think, August 20. Thank you for this information! -g Link to post Share on other sites More sharing options...
marknorton Posted August 11, 2006 Author Share #19 Posted August 11, 2006 Well I know Imants has been waiting to see the codings on my other lenses, so as not to disappoint him, here they are. The work also included a CLA of the 35mm f2 and work on the stiff focussing mount of the 50mm f1.4 - huge improvement. First generation Tri-Elmar Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/2301-lens-codings/?do=findComment&comment=28740'>More sharing options...
marknorton Posted August 11, 2006 Author Share #20 Posted August 11, 2006 50mm Summilux ASPH Welcome, dear visitor! As registered member you'd see an image here… Simply register for free here – We are always happy to welcome new members! Link to post Share on other sites Simply register for free here – We are always happy to welcome new members! ' data-webShareUrl='https://www.l-camera-forum.com/topic/2301-lens-codings/?do=findComment&comment=28742'>More sharing options...
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