Is Sigma 10-20 really wide? Well ...

Started Jul 4, 2009 | Discussions thread
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Gerry Winterbourne
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Is Sigma 10-20 really wide? Well ...
Jul 4, 2009

I was out with my brother at the weekend. I had my K20, he his D700. Among other things we set up a comparison of the Sigma 10-20 on APS-C with Sigma 12-24 on FF. We set up our tripods as close as we could - cameras about a foot apart - focused on the same distant tree (using Live View to make sure both were the same) and fired simultaneously with cable releases.

This shot is my K20 version superimposed on his D700 version. The difference in luminosity is deliberate in PP to make the areas clear. The 10-20 has a small amount of fall-off correction; the 12-24 needed none.

No doubt this will encourage the FF fans to start that ball rolling again but I must point out that I could have shot a panorama quicker than it took to set this shot up and I wouldn't want the extra weight of the FF kit. Indeed, I'm waiting to afford the K-7 because the K20 is really bigger than I like.

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Gerry

First camera 1953, first Pentax 1983, first DSLR 2006
http://www.pbase.com/gerrywinterbourne

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