On 11/24/2010 4:44 AM, paul stenquist wrote:
Have you actually tried both? I did a quick and dirty test of the
Sigma and found it seriously lacking. LIke most Sigma's it's build
quality leaves a lot to be desired. The Pentax 12-24, on the other
hand, is an excellent lens.
Paul
Paul, I've cheaper Sigma 24-60/2.8 EX lens and it's build quality is
second to none. I've held and shot with DA* 16-50/2.8 and Sigma is built
just as good. The only thing Sigma lacks is WR sealing, but that's known
in advance. If other Sigma EX lenses are built like 24-60/2.8, I see no
reason to worry.
The QC and sample variation are an issue, but it seems that no
manufacturer is immune to this particular detriment.
Boris
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