suey11 Posted September 9, 2017 Share #1 Â Posted September 9, 2017 Advertisement (gone after registration) I'm after some advice as I'm having some real frustration in getting an old screw thread mount Canon 50mm 1.2 lens to focus accurately through the rangefinder on a M10. Â It is focussing beyond the point of what should be accurate according to the rangefinder patch. Â I've tried a few different adapters from cheap Chinese ones and also invested in a genuine Leica adapter too, in fact I've probably as much money invested in the adapters as I have in the lens. Â I enjoy using the lens with the EVF but I'm happier using a rangefinder and that's how I'd love to use this lens. Â Any advice would be greatly appreciated. Link to post Share on other sites More sharing options...
Advertisement Posted September 9, 2017 Posted September 9, 2017 Hi suey11, Take a look here Canon 50mm 1.2 focusing issues. I'm sure you'll find what you were looking for!
Ecar Posted September 9, 2017 Share #2 Â Posted September 9, 2017 Send it to a competent technician with whatever adapter you expect to use and ask him to adjust the lens focus. That's what I do - and it works most of the time. Link to post Share on other sites More sharing options...
suey11 Posted September 9, 2017 Author Share #3 Â Posted September 9, 2017 Send it to a competent technician with whatever adapter you expect to use and ask him to adjust the lens focus. That's what I do - and it works most of the time. Thanks for the reply do you have any recommendations that are in the UK or Europe. Link to post Share on other sites More sharing options...
Ecar Posted September 9, 2017 Share #4 Â Posted September 9, 2017 https://www.l-camera-forum.com/leica-news/leica-repair-specialists/ Â AFAIC, I send most of my lenses to Will van Manen these days. Link to post Share on other sites More sharing options...
suey11 Posted September 9, 2017 Author Share #5 Â Posted September 9, 2017 https://www.l-camera-forum.com/leica-news/leica-repair-specialists/ Â AFAIC, I send most of my lenses to Will van Manen these days. Once again thank you I'll contact Will on Monday. Link to post Share on other sites More sharing options...
Ecar Posted September 9, 2017 Share #6 Â Posted September 9, 2017 Unless your lens is perfectly clean, you might as well consider a full CLA. The Canon 50/1.2 is known for developing a recurring haze/fogging problem - possibly due to the lubricants used. Mine is currently with Will to fix this... Link to post Share on other sites More sharing options...
jaques Posted September 10, 2017 Share #7 Â Posted September 10, 2017 Advertisement (gone after registration) my 50 1.2 has been with a technician for the last 3 years as I await for him to fix the focus issue... several failed attempts and I am still waiting. On mine when you tilted the les you could hear an element within moving around... this thread reminds me that I better call him again. Link to post Share on other sites More sharing options...
david strachan Posted September 10, 2017 Share #8 Â Posted September 10, 2017 Mine is quite "glowy". Â Ive looked at the elements, seems clear. Â But perhaps it needs a CLA. Â ... Link to post Share on other sites More sharing options...
david strachan Posted September 10, 2017 Share #9 Â Posted September 10, 2017 my 50 1.2 has been with a technician for the last 3 years as I await for him to fix the focus issue... several failed attempts and I am still waiting. On mine when you tilted the les you could hear an element within moving around... this thread reminds me that I better call him again. Who do you use in Adelaide Jaques? Link to post Share on other sites More sharing options...
jaques Posted September 11, 2017 Share #10 Â Posted September 11, 2017 why Charles Bridgewood of course... have you come across him? He can repair some things very fast... other things get lost in the piles of cameras, camera parts, mocroscopes- and other odds and ends. He was trained by Hasselblad- and an official Leica microscope repairman- also proficient with electronics... Link to post Share on other sites More sharing options...
david strachan Posted September 12, 2017 Share #11 Â Posted September 12, 2017 Thanks Jaques. Yes, i go to Charles as well.. Nice chap. Â But i haven't needed any work for about three years. Must get a couple of lens CLA, so will see him soon. Â All best, thanks for the info. Link to post Share on other sites More sharing options...
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