New Sigma lens preorders:
10-18mm f/2.8 at BHphoto , Amazon , Adorama . Fotoerhardt . WexUK .
70-200mm f/2.8 at BHphoto (no preorder yet).

https://youtube.com/watch?v=S4iKtjzFxtk%3Fsi%3DLA-Xj3rqV195e4Oq

https://youtube.com/watch?v=Dikx9MDcd74%3Fsi%3DJnYtxks1uaQdCA1Z

https://youtube.com/watch?v=NwuNuTvucsY%3Fsi%3DCiG9eaEjCRSfXMvI

https://youtube.com/watch?v=Lwg6tIEulv8%3Fsi%3DUYZunpEDikWOct45

https://youtube.com/watch?v=2_VBmQmYAvw%3Fsi%3DTdb5XVkjhMHvZjwQ