D850 Focus problem

Started 7 months ago | Discussions thread
Al Giordano
Al Giordano Senior Member • Posts: 1,331
Re: D850 Focus problem

I have this problem with my Nikon 105 F2.8 Micro.  I bought it used and sometimes it refuses to focus; until I twist the mount.  I've cleaned the contacts and even sent it in for cleaning, calibration, and testing and there is still something going on with the mount.  Once I twist the mount tighter, it works!

 Al Giordano's gear list:Al Giordano's gear list
Nikon D850 Nikon D780 Nikon AF-S Micro-Nikkor 105mm F2.8G IF-ED VR Nikon AF-S Nikkor 24-120mm F4G ED VR Nikon 200-500mm F5.6E ED VR +5 more
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