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Sony SEL1670Z 16-70 not recognised and clicking

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Since yesterday my 16-70 doesn't not get recognised and makes a clicking noise. I use it with the A6300 body. I did not drop the camera/lens or do anything weird. Sometimes if I take the battery out and in again, the lens will get recognised and work normally for a couple of seconds, and then out of nowhere starts acting weird again. Showing '--' behind the F, where normally number of the diafragma would stand and making the clicking noise (I added the audio file). I already tried cleaning the lens contacts, but they looked fairly clean.

I really don't know what to do, do you guy have any advice?

Thanks in advance,


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Edited by florispriester
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I have the same issue with a SEL24-70 F2.8 GM lens regarding the "f--" stop not recognising, focus works for about a minute but will not take image, then stops focusing, then you can take a blurred image and is basically useless. 

I have replaced all electronic parts within the lense, all cables, motherboard PCB in fact the only part that was not replaced was the outside case and front lense assembly. All my other lenses work with no issues on the A7riv.

I have tried to find someone online who has had the same fault, as it seems to be a common issue due to the amount of Sony lenses that have this same issue  "f--" on E-bay. 

I have not found a solution yet.

Good luck!

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