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How to get sand out of the rings


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#1 John Atala

John Atala
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Posted 12 August 2007 - 04:33 PM

Hello everybody,
I was shooting a documentary in an island and ended up getting very thin sand into the lens' focus ring and zoom ring (which were the only parts of the camera sticking out of the protectve coat). The zoom ring didn't get much sand, the focus ring is the worst. The rest of the camera's body is perfect.

I've tryed air blowers and brushes, but they can't seem to do the job. I'm afraid the sand is in the rough access spot where the rings goes behind the audio XLR plugs.

A friend suggested dental floss holding a small piece of lens cleaning tissue, the floss goes inside and takes the tissue along...but i'm skeptical...what do you think? should I send the camera in? OR should I risk floss-cleaning it? Did you ever come across anything like this?

Thanks !

João Atala
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#2 Nick Mulder

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Posted 12 August 2007 - 05:20 PM

gawd ...

Without the benefit of seeing the lens I personally could only recommend that you send it in - honestly, once you start grinding away at the metal it starts a vicious cycle as the ground off metal itself starts digging into the remaining structure, you'll end up with a seized mechanism and once its cleaned will probably have much larger tolerances than before and therefore be loose ...

floss could work via some nice set of circumstances but why risk it (could just as easily make it much worse)...

bummer !
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#3 John Atala

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Posted 13 August 2007 - 12:20 PM

yeah, I guess you're right. I just wanted to save the bucks...
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#4 John Sprung

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Posted 13 August 2007 - 12:50 PM

Get a price for the repair work before you make the deal. Subtract that from the price of a new camera. Consider selling it as-is for that amount, or maybe even more if the repair is really expensive. Someone may want it as an expendable one-shot crash camera.



-- J.S.
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