Subject Without Clearly Defined Rules
Subject without clearly defined rules crossword clue, 8 letters (4,4) from Latin. The Dominion Post quick crossword question on 24 Aug 2017.
The answer: GREY AREA
subject without clearly defined rules in sentences
I for sure would try this lens on another body. I have not had any focusing problems with my 17-55mm lens, in fact it is my very favorite lens. Of course any lens will have focusing problems on a subject without clearly defined rules or lines. Also have you checked to see which focusing grid is being used to achieve focus.
Also, if the subject does not have enough contrast the lens will have difficulty focusing but if it only happens on the long end then you do seem to have a problem. I’ve heard of similar problems with the 17-55mm. One was pretty much identical; usually used on the D200 but also failed to focus on the D70 (from your gear list and comment I assume this happens on both bodies). Sounds to me like you need to talk to Nikon service