Wide Angle Lens - Sigma or Tokina

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Originally Posted by shreds

You might find that using software such a DxO Optics View Point 2 to correct any distortions will pay dividends in the pp when using an ultra wide angle lens, unless you already have a suitable editor that does this?

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Thanks for your kind suggestion. I have to learn about removing distortions. Will check the software which you suggested. :)