Is the zeiss batis 85mm f 1 8 sharp wide open?

Here is what the site says about that.

From Zeiss Batis 85mm f/1.8: Zeiss Batis 85mm f/1.8: A prime lens by Zeiss for Full frame cameras, 85mm f/1.8. Specs - Maker: Zeiss - Focal length: 85mm (prime) - Maximum aperture: f/1.8 - Made for: Full frame sensors - Mounts: Sony E - Stabilised: yes - Autofocus: yes What it frames like - On full frame (Sony E): as marked, 85mm. - On APS-C (Sony E): like 128mm on full frame; f/1.8 gives about the depth of field ...

From Zeiss Batis 18mm f/2.8: Zeiss Batis 18mm f/2.8: A prime lens by Zeiss for Full frame cameras, 18mm f/2.8. A compact autofocus ultra-wide with an OLED distance and depth-of-field display.

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