<p>The D90 is pitched slightly below the 40D/50D, and the D300 is pitched slightly above it---in terms of both features and price. Nikon vs. Canon...
The 85mm f/1.4's bokeh is absolutely gorgeous.
If we're talking anecdotal evidence, mine focuses perfectly and is tack sharp from wide open, for what it's worth.
<p><i>Maybe I'm lucky. I use more than one VR lens, and have been, frankly, rather cavalier about turning the camera
off and on with the VR...
Also bear in mind that the SB-600s don't have PC ports, so if you ever plan on moving away from CLS and onto Pocket Wizards/other wireless...
Rebecca: Nope, Sigma's acronym for that is "DC". DG means, according to Sigma, that it's designed for both digital and film.
Garrison: it's the mode, not the powerﾗthe options are, I believe, "TTL", "M", and "--".
It will meter and you'll be able to manual focus. However, manually focusing with the D40's viewfinder, especially at f/1.8, isn't exactly fun.
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