Officially announced: Sigma 15mm f/1.4 fisheye and 500mm f/5.6 for Sony E-mount SonyAlpha Admin 9 months ago Preorders: 500mm f/5.6 at BHphoto, Amazon, Adorama, FotoErhardt, Calumet, WexUK. 15mm f/1.4 fisheye at BHphoto, Amazon, Adorama, FotoErhardt, Calumet, WexUK. Reviews: Presentation at Explora. Video reviews: