Question about Nikon 18-70mm f/3.5-4.5G ED-IF AF-S DX Zoom Nikkor Lens

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Nikon af-s 18-70 dx autofocus problem

A few days ago i went to high hills near by ,there was a lot of cold,moisture and fogging, and i took my d200 with af-s 18-70 dx in it. i took some shots and o put it again in the bag inside the car. passed a few days i pick up the camera at home and go to take some shots, and the autofucus was totally crazy, focusing from infinite to close range and dont stop focused. the uv filter at the front of the lenses was totally ful of condensation(sorry my english),i take it off,but the autofucus continue crazy and dont work at all. just manual focus work.i ear some cranks insite of the lenses like the motor is workink hard forced.any ideias what is this?

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Ff1esta,
Moving a camera from cold to warm after it has been in the cold for a long time will cause condensation to form. It's a good idea if you can to allow the camera and lenses to gradually warm up. Like first in a garage or enclosed porch in the bag before binging them into a warm place. Since you have the moisture in it now you have to allow it to get out, the electrical components are at risk, the condensation or fog may have caused the lens not to be able to focus. remove the lens from the camera body and let both sit to air out. Since it's been over a week now if there is still some moisture you may want to get the camera into a shop to be cleaned and inspected to avoid corrosion.
randy320sgi

Posted on Jan 18, 2009

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