Best wide angle lens for the sony a6500?

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From Sony a6500: Sony a6500: A mirrorless camera by Sony with a 24.2-megapixel APS-C sensor, announced in 2016. The first Sony APS-C body with in-body stabilisation. Specs - Maker: Sony - Mount: Sony E - Sensor: APS-C, 23.5 x 15.6mm, crop factor 1.5 - Resolution: 24.2 megapixels - Stabilisation: in the body - Announced: 2016 - Type: mirrorless camera Focal lengths on it Lenses frame like 1.5 times their focal length on full frame: 16mm ...

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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