Preorders:
Sigma 20mm f/1.4 FE at BHphoto , Adorama . FotoErhardt DE . WexUK .
Sigma 24mm f/1.4 FE at BHphoto , Adorama . FotoErhardt DE . WexUK .
Reviews and hands-on:
Sigma 24mm FE review by SonyAlphaBlog .
Sigma 20mm FE review by SonyAlphaBlog . Review by Lionel Favre .
Youtube reviews:
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