Lee S Posted February 25 Share #1 Posted February 25 Advertisement (gone after registration) Hi all, It appears the outline of the top and right slide of the rangefinder patch finder patch is rough. - see photos at bottom (Note the hair is on my lens taking the photo) Couple of Questions:- 1) Is this normal for a modern digital M? I haven’t seen or noticed it before 2) Is it likely to cause further issues in terms of premature degradation of the rangefinder window/mechanism? Thanks Lee 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/419511-rangefinder-patch-outline-rough-acceptable/?do=findComment&comment=5763697'>More sharing options...
Advertisement Posted February 25 Posted February 25 Hi Lee S, Take a look here Rangefinder Patch Outline Rough - Acceptable?. I'm sure you'll find what you were looking for!
rogxwhit Posted February 25 Share #2 Posted February 25 I can see what you're referring to but it seems very minor and if the camera was mine I don't feel that it'd be a cause of concern ... 1 Link to post Share on other sites More sharing options...
Lee S Posted February 25 Author Share #3 Posted February 25 25 minutes ago, rogxwhit said: I can see what you're referring to but it seems very minor and if the camera was mine I don't feel that it'd be a cause of concern ... Thanks, it looks worse when looking through the viewfinder with your eye. Its not bad or an eyesore I can live with it, main concern is it a symptom of a bigger issue or will it degrade further. Link to post Share on other sites More sharing options...
Siriusone59 Posted February 25 Share #4 Posted February 25 I thought I had a problem with mine, turned out to be a dirty fingerprint on the front of the small window. Link to post Share on other sites More sharing options...
Lee S Posted February 26 Author Share #5 Posted February 26 7 hours ago, Siriusone59 said: I thought I had a problem with mine, turned out to be a dirty fingerprint on the front of the small window. Gave the outside window a good clean, still no change. Link to post Share on other sites More sharing options...
Lee S Posted February 26 Author Share #6 Posted February 26 Does anyone have a suggestion as to what could cause this issue? Thanks Lee Link to post Share on other sites More sharing options...
earleygallery Posted February 26 Share #7 Posted February 26 Advertisement (gone after registration) Google Leica rangefinder assembly and you will see the components, I think what you are looking at is the mask cutout so whilst it is not perfectly straight it can’t ‘degrade’. I’d have thought that part was machine made and they would all look the same, you’d need to compare it with another (same model). 1 Link to post Share on other sites More sharing options...
jaapv Posted February 27 Share #8 Posted February 27 Given Leica’s production processes it is quite possible that Leica is still using a hand punch 1 Link to post Share on other sites More sharing options...
fenykepesz Posted February 27 Share #9 Posted February 27 Am 25.2.2025 um 10:43 schrieb Lee S: Hi all, It appears the outline of the top and right slide of the rangefinder patch finder patch is rough. - see photos at bottom (Note the hair is on my lens taking the photo) Couple of Questions:- 1) Is this normal for a modern digital M? I haven’t seen or noticed it before 2) Is it likely to cause further issues in terms of premature degradation of the rangefinder window/mechanism? Thanks Lee 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! it looks very similar in my case, an m11d - i am not worried about it... Link to post Share on other sites More sharing options...
Lee S Posted February 27 Author Share #10 Posted February 27 3 hours ago, fenykepesz said: it looks very similar in my case, an m11d - i am not worried about it... I spoke to someone very knowledgeable who services Leicas, as I understood him it’s not a coating issue, there’s a mask on the rangefinder which was introduced to prevent glare. He said it might want changing for a new one if you want it perfect again. Sounds like it won’t degrade. Lee 1 Link to post Share on other sites More sharing options...
Lee S Posted February 27 Author Share #11 Posted February 27 10 hours ago, jaapv said: Given Leica’s production processes it is quite possible that Leica is still using a hand punch Yes possibly some burring on the rangefinder mask. Link to post Share on other sites More sharing options...
Lee S Posted February 27 Author Share #12 Posted February 27 On 2/26/2025 at 2:12 PM, earleygallery said: Google Leica rangefinder assembly and you will see the components, I think what you are looking at is the mask cutout so whilst it is not perfectly straight it can’t ‘degrade’. I’d have thought that part was machine made and they would all look the same, you’d need to compare it with another (same model). Thanks a knowledgable person who repairs and services Leicas said it’s likely the mask although he’s never seen the issue before. I’ve had a look but can’t find a diagram that labels the mask. If you had a labeled diagram or can tell me where it is it might help ease my fears! Link to post Share on other sites More sharing options...
Lee S Posted February 27 Author Share #13 Posted February 27 (edited) I’ve done some digging. Looking at the pictures below I’m assuming it’s the mask pictured here which provides frame lines and defined patch for rangefinder window. 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! Edited February 27 by Lee S 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/419511-rangefinder-patch-outline-rough-acceptable/?do=findComment&comment=5765001'>More sharing options...
pedaes Posted February 27 Share #14 Posted February 27 (edited) 13 minutes ago, Lee S said: ’ve done some digging. No - that is where there is a window to illuminate the frame lines (the broad ochre arrow).. You have posted in M11 forum. The M11 family (as M10 family) have electronically illuminated framelines (with no window). Edited February 27 by pedaes Link to post Share on other sites More sharing options...
Lee S Posted February 27 Author Share #15 Posted February 27 3 minutes ago, pedaes said: No - that is where there is a window to illuminate the frame lines (the broad ochre arrow).. You have posted in M11 forum. The M11 family (as M10 family) have electronically illuminated framelines (with no window). This is on an M11, I meant the mask is located in the mechanism near the illumination window. Appreciate the M10/M11 etc doesn’t have the illumination window. Link to post Share on other sites More sharing options...
pedaes Posted February 27 Share #16 Posted February 27 The rangefinder was significantly upgraded for the M10. You are looking at a older design diagram. Its nothing you can fix yourself so either live with it or send it in for repair. 1 Link to post Share on other sites More sharing options...
jdlaing Posted February 28 Share #17 Posted February 28 (edited) 17 hours ago, pedaes said: No - that is where there is a window to illuminate the frame lines (the broad ochre arrow).. You have posted in M11 forum. The M11 family (as M10 family) have electronically illuminated framelines (with no Edited February 28 by jdlaing Link to post Share on other sites More sharing options...
earleygallery Posted February 28 Share #18 Posted February 28 19 hours ago, pedaes said: The rangefinder was significantly upgraded for the M10. You are looking at a older design diagram. Its nothing you can fix yourself so either live with it or send it in for repair. The digital M’s with LED frames use what is basically the same design it’s just that there’s an LED inside instead of a window to provide the light source. Link to post Share on other sites More sharing options...
pedaes Posted February 28 Share #19 Posted February 28 (edited) 10 minutes ago, earleygallery said: basically the same design Basically yes, this from Jono Slack The Rangefinder The rangefinder on the M10 has been completely redesigned and is larger than that on the M240 (and that on the M6), it has a magnification of 0.72 rather than the 0.68 on the previous digital M cameras. In practice the larger rangefinder means that you can see the 28mm framelines more easily than you can on the M240 and the higher magnification makes focusing easier. This is a subtle but definite improvement. So 'significantly upgraded'. Edited February 28 by pedaes Link to post Share on other sites More sharing options...
earleygallery Posted February 28 Share #20 Posted February 28 20 minutes ago, pedaes said: Basically yes, this from Jono Slack The Rangefinder The rangefinder on the M10 has been completely redesigned and is larger than that on the M240 (and that on the M6), it has a magnification of 0.72 rather than the 0.68 on the previous digital M cameras. In practice the larger rangefinder means that you can see the 28mm framelines more easily than you can on the M240 and the higher magnification makes focusing easier. This is a subtle but definite improvement. So 'significantly upgraded'. Yes but the way the frames/patch are displayed are essentially identical apart from an led instead of external illumination, which is the issue that the OP is asking about. 1 Link to post Share on other sites More sharing options...
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