>Brian, > >Hmmm... Recently, I read an instructional piece on fine >tuning. It basically said the same thing that Ben asserts. >It was saying that if you had three lenses, at -5, -8, & >-14; you could set the default at -5, and then you wouldn't >need a setting for the -5 lens, and only a correction of -3, >& -9 for the -8 & -14 lenses respectively. I was >convinced. > >After your post I looked at a couple D7000 books. In my >opinion, Digital Darrell is a little wishy washy (or unclear) >on the issue. In his opinion, the only reason to use this >feature is when your camera or lens is out of warranty. If in >warranty, it should be sent to Nikon to be fixed. > >David Busch said rather clearly that the default is only for >lenses not specifically set in one of the 12 CPU lens >settings. I believe this is your view as well. > >I would love for the OP to set the default at -20, and then >setup his lens for -7. Or he could do it it vice versa, and >see what the results are. Personally, I would really like to >know before I go through all this falderol. > >Thanks for weighing in on this! > >Charlie
My Sigma lens requires a correction of -18 IIRC to attain sharp focus. Would you like to me to set -18 as a default value, and then dial in -18 (or whatever) for the Sigma, and let you know the results?