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Archive 2015 · Cleaning the inside of a Contax Vario-Sonnar 35-70?

  
 
jbourne
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p.1 #1 · p.1 #1 · Cleaning the inside of a Contax Vario-Sonnar 35-70?


Hi all,

So I have a great 35-70, into which, unfortunately, some sort of a small hair seems to have fallen in. It's somewhere inside the lens, where only a certain zoom (around 50mm) makes it visible when looking through the lens. Is there any way to clean it out? Or am I out of luck?

Thanks!



Jun 21, 2015 at 08:14 AM
AmbientMike
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p.1 #2 · p.1 #2 · Cleaning the inside of a Contax Vario-Sonnar 35-70?


I doubt it will matter. Do you see it in photos?

I haven't had much luck getting zooms back together, so unless you're better at puzzles than I am, I wouldn't recommend it.

Although you can usually roll the rubber back, which gets you to screws, which, if undone, free the front element group.



Jun 21, 2015 at 08:48 AM
jcolwell
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p.1 #3 · p.1 #3 · Cleaning the inside of a Contax Vario-Sonnar 35-70?


I can recommend a good camera repair centre if you're near Halifax.


Jun 21, 2015 at 12:39 PM
sorpa
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p.1 #4 · p.1 #4 · Cleaning the inside of a Contax Vario-Sonnar 35-70?


I took apart and and cleaned the diaphragms of a few Zeiss primes.
But I wouldn't touch the innards of a zoom.



Jun 21, 2015 at 08:42 PM
jbourne
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p.1 #5 · p.1 #5 · Cleaning the inside of a Contax Vario-Sonnar 35-70?


Hmm. Tried taking a few pictures, can't replicate it. Maybe I'm worried for nothing? But if you look through the lens, and set it to about 48mm and focus, it's VERY clearly seen and is quite a large hair or fibre. There's no way this can appear in pictures, then?


Jun 22, 2015 at 07:40 PM
trogdon
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p.1 #6 · p.1 #6 · Cleaning the inside of a Contax Vario-Sonnar 35-70?


Yeah internal dust rarely ever appears in photos at all. I wouldn't worry about it


Jun 22, 2015 at 08:51 PM





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