Olympus m zuiko 45mm f 1 2 pro vs sigma 56mm f 1 4 dc dn contemporary?

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From Olympus M.Zuiko 45mm f/1.2 PRO: Olympus M.Zuiko 45mm f/1.2 PRO: A prime lens by Olympus for Micro Four Thirds cameras, 45mm f/1.2. A weather-sealed f/1.2 portrait prime, 90mm equivalent. Specs - Maker: Olympus - Focal length: 45mm (prime) - Maximum aperture: f/1.2 - 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 90mm on full frame; f/1.2 gives about ...

From Sigma 56mm f/1.4 DC DN Contemporary: Sigma 56mm f/1.4 DC DN Contemporary: A prime lens by Sigma for APS-C cameras, 56mm f/1.4. An 85mm-equivalent portrait lens on APS-C, and a 112mm one on Micro Four Thirds. Specs - Maker: Sigma - Focal length: 56mm (prime) - Maximum aperture: f/1.4 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Micro Four Thirds, L-Mount, Canon RF, Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony ...

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