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Old Jan 12, 2008, 8:52 PM   #4
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Join Date: Dec 2004
Posts: 6,717

thanks, Norm... i use only the center AF point specifically to reduce the odds of the AF system grabbing the wrong thing, but i've alsotriedthis lenson numerous "out in the open" subjects, and it still seems to be a bit suspect. then again, i haven't really had good light here since October, so it's possibly a bit premature to condemn the lens outright... it may just need brighter light. than the Sigma does to effect a solid focus...
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