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The Coolpix S7000 was released in 2015. The camera has 20x wide optical zoom, Wi-Fi capabilities, and Near-Field-Communications (NFC).

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Auto focus not working, I suspect dust behind the lens

Camera was working well for 2 years then auto focus became a problem. No drop or problem with zoom but noticed a few dust particles inside the lens, any advice welcome.

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If you can get clear images focussing manually then I doubt that dust is the problem.

If the camera has been heavily used (many thousands of images) then this could be the same problem as the first camera I fixed.

The focusing lens is the last component before the image sensor and is moved forwards or backwards by a motorised leadscrew which engages with a threaded brass insert in the lens carrier. This link shows it, albeit for a different camera, though it’s likely to be similar. Eventually, the thread in the brass insert wears out and no longer moves the lens reliably. You can get a replacement brass insert by cannibalising another camera with a different fault - faulty cameras are available cheaply on eBay.

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