Olympus m zuiko 300mm f 4 is pro vs panasonic leica dg 200mm f 2 8?

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From Olympus M.Zuiko 300mm f/4 IS PRO: Olympus M.Zuiko 300mm f/4 IS PRO: A prime lens by Olympus for Micro Four Thirds cameras, 300mm f/4. Specs - Maker: Olympus - Focal length: 300mm (prime) - Maximum aperture: f/4 - Made for: Micro Four Thirds sensors - Mounts: Micro Four Thirds - Stabilised: yes - Autofocus: yes What it frames like - On Micro Four Thirds (Micro Four Thirds): like 600mm on full frame; f/4 gives about the depth of field of f/8 there. ...

From Panasonic Leica DG 200mm f/2.8: Panasonic Leica DG 200mm f/2.8: A prime lens by Panasonic for Micro Four Thirds cameras, 200mm f/2.8. A 400mm-equivalent f/2.8 telephoto prime. Specs - Maker: Panasonic - Focal length: 200mm (prime) - Maximum aperture: f/2.8 - Made for: Micro Four Thirds sensors - Mounts: Micro Four Thirds - Stabilised: yes - Autofocus: yes What it frames like - On Micro Four Thirds (Micro Four Thirds): like 400mm on full frame; f/2.8 gives about the depth ...

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