Thomas Bantel wrote:
> Chip Louie wrote:
> >
> > At the risk of tweaking some people, IMO third party lenses are simply not
> > as good overall and to offset this they must offer lower prices to create a
> > place in the market.
>
> I'm not sure this is the whole truth. I suspect it's just the other way
> round: They must offer (similar speced) lenses at lower prices to create
> a place in the market and THEREFOR they have to compromise somewhere,
> be it build quality or optical quality or quality control.
>
> With Sigma, it has been build quality and/or quality control in the past.
> Their last offerings, especially the EX line of lenses, looks promising in
> this respect IMHO. And they have HSM (their USM equivalent), too.
>
> Thomas Bantel
I have the Sigma 15mm fisheye and the 17-35 f2.8-4 EX HSM, and while they are as
optically good as on could expect for distortion prone types, the 17-35 focuses
pretty slowly. I have no experience with other Sigmas, but if this one is a
"High Speed Motor," then the others must pe pretty pedestrian. It is much slower
than, say, my 28-135 IS.
Skip
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SHADOWCATCHER IMAGERY
Fine Art Black and White Photography
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Skip and Heather Middleton
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