[Air10s, MG80 Pro (for Canon)] Why can’t Air10s/MG80 Pro (Commander mode) do 2nd curtain sync shooting for Canon, unlike Air1?

[Air10s, MG80 Pro (for Canon)] Why can’t Air10s/MG80 Pro (Commander mode) do 2nd curtain sync shooting for Canon, unlike Air1?
The Air1 has two modes: “Standard …
Source: ニッシンデジタル
[Air10s, MG80 Pro (for Canon)] Why can’t Air10s/MG80 Pro (Commander mode) do 2nd curtain sync shooting for Canon, unlike Air1?