Laowa 9mm f 2 8 zero d vs viltrox af 9mm f 2 8 air?

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From Laowa 9mm f/2.8 Zero-D: Laowa 9mm f/2.8 Zero-D: A prime lens by Laowa for APS-C cameras, 9mm f/2.8. A small, nearly distortion-free ultra-wide for APS-C. Specs - Maker: Laowa - Focal length: 9mm (prime) - Maximum aperture: f/2.8 - Made for: APS-C sensors - Mounts: Fujifilm X, Sony E, Nikon Z, L-Mount, Micro Four Thirds - Stabilised: no - Autofocus: no, manual focus What it frames like - On APS-C (Fujifilm X, Sony E, Nikon Z, L-Mount): like ...

From Viltrox AF 9mm f/2.8 Air: Viltrox AF 9mm f/2.8 Air: A prime lens by Viltrox for APS-C cameras, 9mm f/2.8. A tiny autofocus ultra-wide for APS-C. Specs - Maker: Viltrox - Focal length: 9mm (prime) - Maximum aperture: f/2.8 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony E, Fujifilm X, Nikon Z): like 14mm on full frame; f/2.8 gives about the ...

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