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Manual lenses having focus issues on my D700


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Fogtripper Silver Member Nikonian since 27th Jul 2004
Tue 06-Nov-12 12:37 AM

OK, I am going bonkers here.I have a handful of manual lenses. I love them. Small list: 28mm 1:2.8, 50mm 1:1.8, and my absolute favorite the 85mm 1.4. All are AiS Nikkor. They mount correctly, meter correctly, and have little if any wiggle whatsoever.

I have been frustrated of late trying to figure out why I cannot get sharp focus. This evening I was treated to 2 young mule deer bucks, rattling antlers for dominance. I had only time to mount the 85mm, and from about 50 yards away I began snapping. As it was dusk I had the ISO at 400 and the aperture at f4. Had plenty of speed, and it was bright enough that I could easily manual focus. I did not worry all that much about DoF due to the distance.

So I did an image dump into my RAW folder afterward, and began to look them all over. All 80+ of them. The same issue that plagued me a few days ago reared it's head once again: The point that I focused on was out of focus, yet objects in the distance were clear. It was not even CLOSE to the distance I visually thought was in focus.

The 28mm gave me the same issue a few days ago, when shooting at a rifle a mere 3 feet away. Body was firmly mounted in the ballhead/tripod. Was using timed release and shutter delay. Same thing as today: the rifle was noticeably out of focus when I opened up the RAWs, yet it was visually in focus when taking the photos.

Is this a known issue with some D700 bodies? I am going to do a search for local Nikon reps, but I am kind of far out from SLC.

Will have to clamp this sucker down and run some test shots utilizing the distance scale and focus indicators, which I rarely ever do when actively shooting.

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