The new announced Sigma 56mm f/1.4 DC DN Contemporary lens will be officially released on November 22th. The price for this lens will be announced soon, you can check at B&H Photo Video. The release date for Sigma 40mm f/1.4 DG HSM Art lens for E-mount is not available yet.
シグマ「40mm F1.4 DG HSM | Art」と「56mm F1.4 DC DN | Contemporary」の発売予定日は11月22日らしい（40mmArtのソニーE用は発売日未定）。おそらく今週中に予約開始されるはず。#噂
— 軒下デジカメ情報局 (@nokishita_c) October 30, 2018