Affordable Wide Angle Options for 5DII

Started Aug 8, 2011 | Discussions thread
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Robert Sheldon Senior Member • Posts: 2,114
Re: Affordable Wide Angle Options for 5DII

HSU wrote:

If you want to go really WIIIIIDDDEEEE, also have a look at the sigma 12-24.

A lot of the "un-sharpness" people accuse to this lens (and also to other wide angle ones) stem from missing knowledge how rectified images need to be warped to rectify them. Therefore the more extreme the edge is, the more the blurriness seems, bit that the nature of a rectified wide angle: "There ain't no such thing as a free lunch".

I am waiting for a few more reviews (have seen one on dpreview) of the new Sigma 12-24 before I make up my mind on this lens. In the meantime I am very happy with my Canon 17-40 at smalll aperatures which are what I would use for landscapes anyway. Why do I want the Sigma? The additional 12-16mm view.
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Bob Sheldon
Photo Gallery at
http://www.bobsheldon.com

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