Is the olympus m zuiko 45mm f 1 8 sharp wide open?

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From Olympus M.Zuiko 45mm f/1.8: Olympus M.Zuiko 45mm f/1.8: A prime lens by Olympus for Micro Four Thirds cameras, 45mm f/1.8. A tiny, cheap 90mm-equivalent portrait lens. Specs - Maker: Olympus - Focal length: 45mm (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 90mm on full frame; f/1.8 gives about the ...

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.

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