Is the viltrox af 15mm f 1 7 air good for astrophotography?

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From Viltrox AF 15mm f/1.7 Air: Viltrox AF 15mm f/1.7 Air: A prime lens by Viltrox for APS-C cameras, 15mm f/1.7. Specs - Maker: Viltrox - Focal length: 15mm (prime) - Maximum aperture: f/1.7 - 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 22mm on full frame; f/1.7 gives about the depth of field of f/2.5 there. ...

From Viltrox AF 56mm f/1.7 Air: Viltrox AF 56mm f/1.7 Air: A prime lens by Viltrox for APS-C cameras, 56mm f/1.7.

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