gotta agree with that, i love the 10-20 wideangle, but i can understand, for someone more professional, they would hate this lens. its af, and thus 1/2 the time it is hard to get it to focus right.
after playing with it for a good year now, i must say i almost never use it at its fullest wide angle. the picture is just too distorted.
Quote:
Originally Posted by Senna4ever
Sigma has very bad quality control & service. Sigma has up to a 20% return/exchange rate due to softness, back focusing or front focusing. One lens would be super sharp, but the one sitting next to it on the shelf would be soft or have focusing issues. They also have a high failure rate compared to the lenses from the major manufacturers...again up to 20%, compared to Canon, Nikon, Sony, Pentax which seem hover around 6%.
Sigma service also is pretty bad. It can take up to 4 months to get lenses back from repair. Canon & Nikon can have a faulty lens back to you in a matter of a few weeks, even faster if you have a CPS or NPS number.
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