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Archive 2016 · Focus backlash Voigtlander 125 APO-Lanthar lens

  
 
bykhed
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p.1 #1 · p.1 #1 · Focus backlash Voigtlander 125 APO-Lanthar lens


My Voigtlander 125/2.5 APO-Lanthar SL lens has some minor backlash in the focus mechanism. I contacted Stephen Gandy, who quoted $600 to ship the lens to Cosina in Japan for service. I would like to fix the backlash without spending such an exorbitant sum. Can someone recommend a service center in the US who would be competent to make this adjustment? The lens is in otherwise excellent condition. Thanks!

Edit: I called Precision Camera and they won't touch it.

-Matt



Jan 29, 2016 at 12:13 PM
freaklikeme
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p.1 #2 · p.1 #2 · Focus backlash Voigtlander 125 APO-Lanthar lens


Cosina's website lists Photovillage in NY as an approved vendor. Maybe they can facilitate the repair through Cosina at a lower cost or recommend someone here who will repair their lenses.


Jan 30, 2016 at 02:30 AM
bykhed
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p.1 #3 · p.1 #3 · Focus backlash Voigtlander 125 APO-Lanthar lens


Thanks for the suggestion and Go Broncos, freaklikeme. I checked around and KEH will do a CLA for $150. Has anyone used KEH's repair center for a lens CLA?


Feb 04, 2016 at 12:54 PM
sirimiri
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p.1 #4 · p.1 #4 · Focus backlash Voigtlander 125 APO-Lanthar lens


Can you define "focus backlash" in different terms?

Try Nippon Photo Clinic in New York City.



Feb 04, 2016 at 04:20 PM
bykhed
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p.1 #5 · p.1 #5 · Focus backlash Voigtlander 125 APO-Lanthar lens


Sure - sorry if I wasn't clear. When I rotate the focusing collar (which is almost the entire outer shell on this lens) and then rotate in the opposite direction there is a bit of play before the focus changes. I suspect there is something a bit loose between the shell and the focus helicoid. I would try and fix it myself but for two things: (1) the lens cost me $2K used, and (2) the lens focus mechanism is really complicated, with two internal sections that extend to 2x the lens length when close focusing. I admit the issue is relatively minor, but I use this lens for macro handheld and the play in the focus mechanism is a bit maddening.


Feb 04, 2016 at 06:56 PM
jhinkey
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p.1 #6 · p.1 #6 · Focus backlash Voigtlander 125 APO-Lanthar lens


I had Steve's camera down in California work on my 180/4 CV and they did a good job. The had to clean an internal element that somehow had gotten some kind of film on it - had to take most of the lens apart and it came back good as new.

Very good communicators as well.

http://www.stevecamera.com/contact.html



Feb 04, 2016 at 09:10 PM





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