jbl Posted July 30, 2015 Author Share #21 Posted July 30, 2015 Advertisement (gone after registration) Thanks! I'll try that. Link to post Share on other sites More sharing options...
Advertisement Posted July 30, 2015 Posted July 30, 2015 Hi jbl, Take a look here Adjusting the rangefinder. I'm sure you'll find what you were looking for!
Jeff S Posted July 30, 2015 Share #22 Posted July 30, 2015 You tried the LV test? The whole point is to compare LV, which is perfect, with the RF and see if there's a discrepancy. If there is, it could be the camera RF and/or the lens. That's the reason for checking multiple lenses. But this isn't just pointing a camera at stuff, it's got to be meticulous, on a tripod, at a target, etc. As I wrote earlier, but even more now that it's evident you don't have the expertise (no offense, but based on your posts), Leica does this for a living…and better. In the time this post has been running, they could have already received an express delivery of your gear. You should, however, always call ahead and schedule to ensure rapid return. Or, you could ignore all this, take real photos, make prints, and only worry if they're not in focus. Jeff Link to post Share on other sites More sharing options...
jbl Posted July 30, 2015 Author Share #23 Posted July 30, 2015 The Live View tests were done on a tripod. Sorry for not making that clear. I knew it had to be on a tripod for it to work, but I didn't mention that. I'll check again tonight with some more lenses and see what I find. Appreciate the help. Link to post Share on other sites More sharing options...
jdlaing Posted July 30, 2015 Share #24 Posted July 30, 2015 The LV test, as Jeff S calls it, doesn't do much for a lens that is out of calibration. LV will focus the image of the mounted lens but the lens may still be out of calibration with the Rangefinder. All well and good if you are prepared to use LV and not the rangefinder. Link to post Share on other sites More sharing options...
Jeff S Posted July 31, 2015 Share #25 Posted July 31, 2015 The LV test, as Jeff S calls it, doesn't do much for a lens that is out of calibration. LV will focus the image of the mounted lens but the lens may still be out of calibration with the Rangefinder. Exactly….it means the RF and/or the lens is out. Correcting either is another story, which is why I recommended early on that he let the experts determine which, if any. And, as I wrote, one needs to also be careful not to confuse lens focus shift with general front/back focus. That's why Leica likes to have everything, to ensure everything is measured against a standard (closer tolerance for digital), and to avoid multiple equipment returns. In this case, I'm not even sure the OP has experienced a problem in everyday shooting, looking at prints. If not, a waste of effort. Jeff Link to post Share on other sites More sharing options...
Bill W Posted July 31, 2015 Share #26 Posted July 31, 2015 I read through the entire RF adjustment threads and it is not something I want to attempt. I am mechanically inclined and extremely good with geometry but I am inclined to sent my M to Leica. Link to post Share on other sites More sharing options...
thighslapper Posted July 31, 2015 Share #27 Posted July 31, 2015 Advertisement (gone after registration) Exactly….it means the RF and/or the lens is out. Correcting either is another story, which is why I recommended early on that he let the experts determine which, if any. Jeff The user has multiple lenses ..... so it can be fairly easily established whether the camera is the cause ..... it's if you only have a couple of lenses ... or several bodies and lots of lenses where working out what is wrong can be a nightmare. From what JBL says the error is pretty minimal anyway ...... and I suspect the main issue is taking photos close up with fast lenses wide open ....... very difficult not to wobble back and forth when using the RF ..... and a cm shift before you press the shutter at 1m can put the eyes OOF unless you are very careful. Link to post Share on other sites More sharing options...
jbl Posted July 31, 2015 Author Share #28 Posted July 31, 2015 I did some tripod tests yesterday comparing LV against RF focus. The 75/2 was fine, v1, v2 and v3 50mm Summiluxes showed the back focus wide open. The Noctilux 0.95 showed it wide open but not at f/1.4. I tried some 50mm summicrons at f/2 and those were fine. I tried a very minor adjust to the hex nut, checked it and did two more very minor adjustments and it seemed a lot better in actual usage. Once the moon was up last night I went out to check infinity and I think I overshot it a bit because the moon was closer than infinity. So I went a little back in the original direction and checked the moon again and it looked fine. I'll be able to check up front again today. My primary concern isn't tripod shooting but just if I can reliably get eyelashes in focus at large apertures with focus and recompose which I would consider my normal, actual use. My M240, M9 and MM were all fine so I have a lot of evidence that something is just out of adjustment here. I'll see how things go this weekend and am planning to have a local guy take a look next week. Link to post Share on other sites More sharing options...
jdlaing Posted July 31, 2015 Share #29 Posted July 31, 2015 Exactly….it means the RF and/or the lens is out. Correcting either is another story, which is why I recommended early on that he let the experts determine which, if any. And, as I wrote, one needs to also be careful not to confuse lens focus shift with general front/back focus. That's why Leica likes to have everything, to ensure everything is measured against a standard (closer tolerance for digital), and to avoid multiple equipment returns. In this case, I'm not even sure the OP has experienced a problem in everyday shooting, looking at prints. If not, a waste of effort. Jeff And money. Link to post Share on other sites More sharing options...
Jeff S Posted July 31, 2015 Share #30 Posted July 31, 2015 The user has multiple lenses ..... so it can be fairly easily established whether the camera is the cause ..... it's if you only have a couple of lenses ... or several bodies and lots of lenses where working out what is wrong can be a nightmare. From what JBL says the error is pretty minimal anyway ...... and I suspect the main issue is taking photos close up with fast lenses wide open ....... very difficult not to wobble back and forth when using the RF ..... and a cm shift before you press the shutter at 1m can put the eyes OOF unless you are very careful. Re-read the thread. I'm well aware of his situation….it's not always clear that he is. Jeff Link to post Share on other sites More sharing options...
jbl Posted July 31, 2015 Author Share #31 Posted July 31, 2015 I'm pretty certain I'm aware of the situation, but, thanks. Link to post Share on other sites More sharing options...
Jeff S Posted August 1, 2015 Share #32 Posted August 1, 2015 By situation, I meant not only clarifying whether or not you have a problem (in print), and to what degree, but also being clear on the options, techniques and process to properly assess and correct your system. You might re-read your first post. Jeff Link to post Share on other sites More sharing options...
Guest JMF Posted August 1, 2015 Share #33 Posted August 1, 2015 I'm off this thread. Link to post Share on other sites More sharing options...
Recommended Posts
Archived
This topic is now archived and is closed to further replies.