https://dc.watch.impress.co.jp/docs/news/1168036.html
2018
24-105mm/f4 Macro
50mm/f1.4
70-200mm/f4
2019
1.4x
2.0x
24-70mm/f2.8
70-200/f2.8
16-35mm/f4
2020
望远镜、两支定焦镜、一支macro
https://dc.watch.impress.co.jp/img/dcw/docs/1168/036/20_o.jpg
Leica 镜头群
https://dc.watch.impress.co.jp/img/dcw/docs/1168/036/24_o.jpg
Sigma镜头群
https://dc.watch.impress.co.jp/img/dcw/docs/1168/036/25_o.jpg
Sigma现有镜头14支L mount化开始，也将出镜头转接环。