Best wide angle lens for the sony a6400?

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From Sony a6400: Sony a6400: A mirrorless camera by Sony with a 24.2-megapixel APS-C sensor, announced in 2019. Small and very quick to focus. There's no stabilisation in the body, so pick stabilised lenses for low light. Specs - Maker: Sony - Mount: Sony E - Sensor: APS-C, 23.5 x 15.6mm, crop factor 1.5 - Resolution: 24.2 megapixels - Stabilisation: none in the body; use stabilised lenses for slow shutter speeds - Announced: 2019 - ...

From Laowa 15mm f/4 Wide Angle Macro: Laowa 15mm f/4 Wide Angle Macro: A macro lens by Laowa for Full frame cameras, 15mm f/4. An ultra-wide that focuses to 1:1.

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