New DSLR - Pentax K5
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11-11-10, 11:36 AM
Join Date: Sep 2010
Originally Posted by
You could always try manual focus
TBH that's what I do with mine more often than not.
It would be a shame not to use it because of the AF issues - many, if not all, telephoto macro lenses suffer from hunting and relatively slow focusing - because they have such a long focal range. The SP 90 is a brilliant lens (AF aside), sharp as a razor and with brilliant bokeh. It's my prefered portrait lens - well, that and the 50mm f1.4
As you say, optically its a fantastic lens and the bokeh is really ncie on it too. It does get used on occassions, but mainly for macro or posed shots. I mainly do portraits of my nephews who at 3,5 and 6 years old, are constantly on the move. The SP90 can't keep up in AF and the FOV is so narrow on it too, compared to my Nikkor 50mm f/1.8D, which is why I use that lens for portraits the most.
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