dkmoore Posted March 12, 2019 Share #1 Posted March 12, 2019 Advertisement (gone after registration) Can a rangefinder be out of adjustment in the middle ground (10-30 feet) if the rangefinder is in adjustment at short focus and infinity with a given lens? In this case I used the regular 50 Lux ASPH @1.4 short focus: 3-6 feet --> focus is perfect every time Infinity --> perfect If the middle ground is out of focus but short and infinity are good, and rule out user error, would a good assumption be that the lens needs to be adjusted? Link to post Share on other sites More sharing options...
Advertisement Posted March 12, 2019 Posted March 12, 2019 Hi dkmoore, Take a look here Rangefinder alignment question. I'm sure you'll find what you were looking for!
jdlaing Posted March 12, 2019 Share #2 Posted March 12, 2019 No. It would likely be the lens. 1 Link to post Share on other sites More sharing options...
jaapv Posted March 12, 2019 Share #3 Posted March 12, 2019 Yes - it is possible but quite uncommon. Not a DIY adjustment. If the camera it would be the length and/or offset of the RF lever, on a lens a maladjusted helicoid. 2 Link to post Share on other sites More sharing options...
dkmoore Posted March 12, 2019 Author Share #4 Posted March 12, 2019 Is there any way/test to identify which it is or is this just a trip to Leica? My suspicion was the camera originally because I noticed on multiple lenses and Leica diagnosed it was indeed significantly back focusing. That said, maybe they corrected the initial issue and stopped, thinking that everything else was resolved. Link to post Share on other sites More sharing options...
dkmoore Posted March 12, 2019 Author Share #5 Posted March 12, 2019 I think I probably just need to send the camera and 50 to NJ to have them sort it out. Bummer. Thanks both for the responses. All the years with M6, M9, M240, etc and I've never seen this middle ground focus issues. It has always been either near or far. Link to post Share on other sites More sharing options...
Jeff S Posted March 12, 2019 Share #6 Posted March 12, 2019 You could also call DAG...even if he can’t perform the necessary adjustment, he can probably explain the possible issue(s) before you send to Leica. Jeff Link to post Share on other sites More sharing options...
oka Posted March 12, 2019 Share #7 Posted March 12, 2019 Advertisement (gone after registration) 6 hours ago, dkmoore said: Can a rangefinder be out of adjustment in the middle ground (10-30 feet) if the rangefinder is in adjustment at short focus and infinity with a given lens? In this case I used the regular 50 Lux ASPH @1.4 short focus: 3-6 feet --> focus is perfect every time Infinity --> perfect If the middle ground is out of focus but short and infinity are good, and rule out user error, would a good assumption be that the lens needs to be adjusted? Yes it can, my Lux75 was very problematic on that issue and took 4 trips to Wetzlar before it was sorted out. Some one can correct me, but on my knowledge they test / calibrate on few specific distances. If the lens / body has issue that it misfocuses only between those specific distances the issue goes unnoticed from the service(?). Link to post Share on other sites More sharing options...
dkmoore Posted March 12, 2019 Author Share #8 Posted March 12, 2019 So, it turns out it is in fact the rangefinder back focusing at mid range distances. Happy I wasn’t imagining it but sad I can’t imagine a super fast repair time. Leica NJ has been fantastic and lead times are greatly improved from this time last year and fortunately I have an M10P to keep me busy. Link to post Share on other sites More sharing options...
rapids41 Posted April 17, 2019 Share #9 Posted April 17, 2019 (edited) Am 12.3.2019 um 01:10 schrieb jaapv: Yes - it is possible but quite uncommon. Not a DIY adjustment. If the camera it would be the length and/or offset of the RF lever, on a lens a maladjusted helicoid. Interesting! Can you show me which part Leica will adjust at the picture? I have something heard of a "bending tool"!? 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 April 17, 2019 by rapids41 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/295140-rangefinder-alignment-question/?do=findComment&comment=3723992'>More sharing options...
jaapv Posted April 17, 2019 Share #10 Posted April 17, 2019 Not recommended for DIY. 1 Link to post Share on other sites More sharing options...
dkmoore Posted April 18, 2019 Author Share #11 Posted April 18, 2019 18 hours ago, rapids41 said: Interesting! Can you show me which part Leica will adjust at the picture? I have something heard of a "bending tool"!? 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! I have no interest in trying to do anything with this. I can hardly turn a screw driver. Link to post Share on other sites More sharing options...
John Ricard Posted April 18, 2019 Share #12 Posted April 18, 2019 For the love of God I am begging you guys to not post the drawing of how to adjust the rangefinder again on this forum. I feel we are this|close to seeing that useless drawing. (With all due respect to the original creator. He isn't at fault. But someone really should have created a video on how to do it at this point. As I've stated on this forum many times in the past, "how to adjust your leica rangefinder" is literally the ONLY how to video that you can't find on You Tube.) Link to post Share on other sites More sharing options...
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