Why 19mm and 30mm focal lengths for new Sigma lenses?

Started Apr 18, 2012 | Discussions thread
widick
Forum MemberPosts: 78
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Re: Why 19mm and 30mm focal lengths for new Sigma lenses?
In reply to azazel1024, Apr 19, 2012

Thanks for all your responses. I should have expected that the answer would have nothing to do with photography and everything to do with economics.

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