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| p.1 #16 · Pray for me - D800 AF repair |
As a point of information I would HIGHLY recommend Authorized Photo Service in the Chicago suburbs for this repair. Nikon USA finally came up with a good solid repair procedure and offered the equipment to do it to their authorized service providers as well. The key reason to use APS for this instead of Nikon -- as long as it will be covered under warranty (if you're not under warranty you'll want to check with APS first as I don't know whether under the left focus service bulletin they require you to send it to Nikon or not) -- is their turnaround time and being able to talk directly to a tech, as they really don't have a single employee who isn't a tech. Melville in my experience has really improved of late, but unfortunately they're still not as fast as APS on turnaround and you'll be communicating through telephone support rather than directly with the person performing the adjustment. (On the other hand, with lens repairs, I go to Nikon directly if still under warranty, because their reps and techs are a LOT more empowered than the authorized independents to deal with oddball optical problems. )
The procedure is to physically check and adjust the camera so that everything, including the all important mirror mechanism and AF module, is lined up -- and then simply blank all the AF data and start over from scratch with uploading a new calibration. Then randomly test a few points and you're good to go. If you still have a problem, the repair is warrantied for six months. Turnaround for me was four business days. In my case they corrected left AF and also overall back focus. So there's no sign of any asymmetrical focus, and nothing is more than + or -5 away from 0, whereas previously, Fine Tune ranged from 0 to as much as -15, and still I had left back focus.