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January 17th, 2007, 06:36 AM
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#1 (permalink) |
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Neuer Benutzer
Join Date: September 19th, 2006
Posts: 4
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Leica M 90mm f4 Collapsible Lens Elements
Hi,
I would like to know is there anyway to get Leica M 90mm f4 Collapsible Lens Elements in the market? It just happens that mine is fog. Is there any other to repair and service? Thanks. Regards, chiawk  |
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January 17th, 2007, 01:54 PM
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#2 (permalink) |
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Erfahrener Benutzer
Join Date: December 27th, 2006
Location: Nottingham, England
Posts: 207
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Re: Leica M 90mm f4 Collapsible Lens Elements
You should be able to get it cleaned/repaired, Malcolm Taylor in England can do such work, he had my III for overhaul, the 5cm Elmar needed attention and he exchanged the rear cemented pair of elements for another from his stock, but the curvature of the elements and the actual focal length of the lens need to be taken into account. Exchanging lens elements is not for the amateur really!
Gerry Young |
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January 17th, 2007, 11:49 PM
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#3 (permalink) |
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Erfahrener Benutzer
Join Date: April 23rd, 2003
Location: Buenos Aires
Posts: 171
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Re: Leica M 90mm f4 Collapsible Lens Elements
Hi Chia,
I have heard only good stories about John Van Stelton in the USA (http://www.focalpointlens.com/fp_intro.html) repairing and even completely overhauling lenses. Also Leica service in Solms might be of help if they still have the elements in stock. A friend of mine just had his 50/2DR serviced by them at Solms and it came back perfect with both new front and rear elements. Not cheap, but perfect. Anyway, if the lens elements are OK (no scratches, no damage to the coatings, no etching by fungi), I am pretty confident that almost any skilled Leica repairman can clean inner fog. Sadly, there's no way to tell if the internal coatings are damaged or not from the outside and before attempting to clean them. As a side note, the manufacturing factory tolerances in Leica lenses are so tight that they rarely need realignment, collimation or re-centering at the reassembly stage (not an invitation to try this at home, though). best, Ed
__________________
Ed Albesi |
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January 20th, 2007, 10:54 AM
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#4 (permalink) | |
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Erfahrener Benutzer
Join Date: June 24th, 2006
Location: Nice - Monaco
Posts: 610
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AW: Leica M 90mm f4 Collapsible Lens Elements
Hi,
Quote:
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January 30th, 2007, 02:40 PM
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#5 (permalink) |
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Benutzer
Join Date: February 2nd, 2006
Location: Louisville
Posts: 85
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Re: Leica M 90mm f4 Collapsible Lens Elements
Great results for me from Don Goldberg at D.A.G. Camera Repair
2128 Vintage Drive Oregon, Wi. 53575 U.S.A. DAG Camera Parts |
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