Rus Posted August 13, 2015 Share #1  Posted August 13, 2015 Advertisement (gone after registration) Hey guys, just wonder if anyone here has ever disassembled / repaired a Summilux 50mm 1.4 ASPH (Chrome ver.)? Mine's got a slight back-focus issue (actual focus is behind the subject).  I used to have a back-focusing pre-ASPH lux 50 which was cured by additional shims. Just wondering if the Lux 50 ASPH can be cured the same way (ie. are there shims between the optical unit and the focusing module as well?).  With the floating element in the ASPH I don't really know how to disassemble the lens...and instructions for this seems nowhere to be found online...  Anyway, all suggestions are welcome!  Thanks!   Link to post Share on other sites More sharing options...
Advertisement Posted August 13, 2015 Posted August 13, 2015 Hi Rus, Take a look here Summilux 50mm F1.4 ASPH Repair / Disassembly?. I'm sure you'll find what you were looking for!
jdlaing Posted August 13, 2015 Share #2  Posted August 13, 2015 These are best left to professional repair and adjustment. 2 Link to post Share on other sites More sharing options...
hoppyman Posted August 13, 2015 Share #3 Â Posted August 13, 2015 I agree with jdlaing and I would add that this particular design is especially complex. When mine was serviced by Leica Camera last year after an impact, it was explained to me that the lens was essentially rebuilt to achieve the accuracy and function standard. Link to post Share on other sites More sharing options...
Michael Li Posted October 8, 2019 Share #4  Posted October 8, 2019 On 8/13/2015 at 5:40 PM, hoppyman said: I agree with jdlaing and I would add that this particular design is especially complex. When mine was serviced by Leica Camera last year after an impact, it was explained to me that the lens was essentially rebuilt to achieve the accuracy and function standard. Can I ask how much did it cost you? And roughly how long did it take? Many thanks. Link to post Share on other sites More sharing options...
jaapv Posted October 8, 2019 Share #5 Â Posted October 8, 2019 Most repair shops won't even touch these lenses. The mechanical tolerances on the floating elements are 1/1000th mm. Even Leica struggles to get it right. Link to post Share on other sites More sharing options...
jaeger Posted October 9, 2019 Share #6  Posted October 9, 2019 1 hour ago, jaapv said: Most repair shops won't even touch these lenses. The mechanical tolerances on the floating elements are 1/1000th mm. Even Leica struggles to get it right. The focus module is not that precise. On 8/13/2015 at 8:43 AM, Rus said: Hey guys, just wonder if anyone here has ever disassembled / repaired a Summilux 50mm 1.4 ASPH (Chrome ver.)? Mine's got a slight back-focus issue (actual focus is behind the subject).  I used to have a back-focusing pre-ASPH lux 50 which was cured by additional shims. Just wondering if the Lux 50 ASPH can be cured the same way (ie. are there shims between the optical unit and the focusing module as well?).  With the floating element in the ASPH I don't really know how to disassemble the lens...and instructions for this seems nowhere to be found online...  Anyway, all suggestions are welcome!  Thanks!   As far as I know the ASPH version is no longer able to disassembled like the pre-asph, which is really sad. 1 Link to post Share on other sites More sharing options...
hoppyman Posted October 9, 2019 Share #7  Posted October 9, 2019 (edited) Advertisement (gone after registration) 20 hours ago, Michael Li said: Can I ask how much did it cost you? And roughly how long did it take? Many thanks. Michael that lens repair was more than four years ago. I had dropped my camera onto stone surfaces when I tripped down some steps. Repairs were mostly covered by insurance. if you have one in need of repair you should be able to request an estimate after initial inspection in Wetzlar. I sent my camera and lens to the national distributor here in Australia. From memory it took about 8 weeks to get back in total. Edited October 9, 2019 by hoppyman Link to post Share on other sites More sharing options...
Michael Li Posted October 16, 2019 Share #8  Posted October 16, 2019 On 10/9/2019 at 3:53 PM, hoppyman said: Michael that lens repair was more than four years ago. I had dropped my camera onto stone surfaces when I tripped down some steps. Repairs were mostly covered by insurance. if you have one in need of repair you should be able to request an estimate after initial inspection in Wetzlar. I sent my camera and lens to the national distributor here in Australia. From memory it took about 8 weeks to get back in total. Many thanks for the detailed reply. Very helpful. Link to post Share on other sites More sharing options...
Jeff S Posted October 16, 2019 Share #9  Posted October 16, 2019 (edited) 12 minutes ago, Michael Li said: Many thanks for the detailed reply. Very helpful. Call DAG (Don Goldberg) and discuss your issue with him.  Leica NJ could not fix the sticky focus action on my 50 Summilux ASPH, for any price, so I sent it to DAG. He had it back to me in a week working perfectly, for $90 including shipping.  Your situation may be different, but clearly worth a call. Jeff Edited October 16, 2019 by Jeff S Link to post Share on other sites More sharing options...
stephan54 Posted October 16, 2019 Share #10  Posted October 16, 2019 (edited) I dropped mine (camera attached) and it took 4 weeks and €500 for the lens to get it repaired and send back from Wetzlar. Focus is spot on. Edited October 16, 2019 by stephan54 Link to post Share on other sites More sharing options...
mdemeyer Posted October 20, 2019 Share #11  Posted October 20, 2019 Don G also adjusted the focus on mine.  He can handle it. Link to post Share on other sites More sharing options...
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