Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?

Started Aug 7, 2010 | Discussions thread
Dan_168
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Re: Sigma 10-20 to Sigma 8-16.... Would you, Could you, Should you?
In reply to martin brech, Aug 12, 2010

martin brech wrote:

"also the sigma has amazing corner sharpness, it's also a rectilinier lens while the 10-22 is not.therefore I am getting the Sigma 8-16 for my T2i."

Hi

could you explain what difference it make to have a rectilinier lens vs a normal lens?

Also, i've seen in reviews that that canon 10-22 has very few distortion at 10, whereas ths sigma 8-16 has a lot at 8mm and 10mm. Could you confirm this?

Thank you very much!
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http://picasaweb.google.com/vcx123456/

Hello,

I will use someone else's words to explain that, basically you will get straight line instead of curved lines, so in landscape photo it translates into straight trees, poles, even they are near the edge of the frame....unfortunately, while they are straight, it doesn't mean they won't "lean over", for that you will need Tilt & Shift lens like the TSE17 or TSE24 to correct it. IMO, if you do landscape, the distortion is a lot less noticeable and a lot easier to manage than if you use it for architecture photography. But again for a crop camera if you need this wide, you really don't have any other better option out there.

http://en.wikipedia.org/wiki/Rectilinear_lens

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