A few evenings ago, I set out to track down what might be causing the new Nikon 24mm f/1.4G to mis-focus at distance. It turned out to be a futile effort, with the 24/1.4G frequently mis-focusing at distance as I had seen before; I found no pattern or clue that might indicate why. I have not been able to obtain another sample and so I cannot cross-check as yet with another lens.
My local dealer claims that the 24/1.4G is available at present only through NPS (Nikon Professional Services), which might be true, since there don’t seem to be any for sale anywhere. I’ve also learned that at least two lenses are in for repair at Nikon for the same focusing issue, with Nikon able to replicate the issue, but whether it can be fixed or is a design issue remains unclear.
My phone calls and emails to Nikon have gone unanswered.