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  Reviews by: Mark Chapman  

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Sigma 10-20mm F4-5.6 EX DC HSM

Review Date: Dec 22, 2007 Recommend? no | Price paid: Not Indicated | Rating: 2 

Pros: After reading many excellent reviews of this lens, I decided to get it as my main ultra-wide landscape lens. I'm so disappointed with this lens. On the positive side, its well made, feels high quality. Apart from that, not much positive I can say about the one I've got.
The results I've got so far with this lens have been terrible. The colour is awful - this lens gives a very noticeable yellowish cast to the colour, which I have heard others complain about Sigma lenses having this characteristic. Of course there is distortion with this lens, thats inevitable really. But what really bothers me is how soft the results are with this lens, especially (but not only) on the right hand side. Perhaps I just got a poor copy, because many people say this lens is sharp. I am not happy and will be returning it to Sigma for testing and possible adjustment/ replacement.

I was really looking forward to getting this lens, but now I wish I had spent more and got the Canon instead. This lens has fallen far far short of my expectations, especially after reading so many good reviews of it. The lens feels and looks quality. It's solid, very well made, and surprisingly heavy.

BUT, and its a huge but,...the results I've got with it are WAY short of what I expected. To be fair its quite good at some settings, and the sharpness at the centre is good. The edges are really, really soft. The yellowish colour this lens gives really annoys me. It doesn't accurately reproduce colours. I prefer a more neutral lens. I'm beginning to think I was just unlucky and got a rubbish copy, but if thats the case, then Sigmas QC department must be incredibly slack. I'll try another copy and hopefully get a better one, but it will have to be something special to persuade me to buy a Sigma lens again.

It has it's good points, but at the end of the day it comes down to image quality for me, which is why I give it a poor overall rating.