Olympus m zuiko 8mm f 1 8 fisheye pro vs ttartisan 10mm f 2 asph?

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From Olympus M.Zuiko 8mm f/1.8 Fisheye PRO: Olympus M.Zuiko 8mm f/1.8 Fisheye PRO: A prime lens by Olympus for Micro Four Thirds cameras, 8mm f/1.8. A weather-sealed f/1.8 fisheye. Specs - Maker: Olympus - Focal length: 8mm (prime) - Maximum aperture: f/1.8 - Made for: Micro Four Thirds sensors - Mounts: Micro Four Thirds - Stabilised: no - Autofocus: yes What it frames like - On Micro Four Thirds (Micro Four Thirds): like 16mm on full frame; f/1.8 gives about the depth of ...

From TTArtisan 10mm f/2 ASPH: TTArtisan 10mm f/2 ASPH: A prime lens by TTArtisan for APS-C cameras, 10mm f/2. Specs - Maker: TTArtisan - Focal length: 10mm (prime) - Maximum aperture: f/2 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Nikon Z, Canon RF, Micro Four Thirds - Stabilised: no - Autofocus: no, manual focus What it frames like - On APS-C (Sony E, Fujifilm X, Nikon Z): like 15mm on full frame; f/2 gives about ...

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