How to choose a Brightin Star landscape lens?

There are 3 landscape lenses of Brightin Star,such as 9mm F5.6/11mm F2.8/16mm F2.8 Full Frame lens
Which one is better for you?This video will let you know.
The link for Brightin Star 9mm F5.6 lens
Amazin--reurl.cc/ZyLyMp
Direct--reurl.cc/q0W0o0
AliExpress--reurl.cc/80pj1g
The link for Brightin Star 11mm F2.8 lens
Amazon--www.amazon.com...
Direct--reurl.cc/x6GmE5
AliExpress--reurl.cc/80pj1g
The link for Brightin Star 16mm F2.8 lens
Amazon--reurl.cc/r64Ajx
Direct--reurl.cc/Nyel1m
AliExpress--reurl.cc/80pj1g
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