Panasonic leica dg 10 25mm f 1 7 vs olympus m zuiko 8 25mm f 4 pro?

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From Olympus M.Zuiko 8-25mm f/4 PRO: Olympus M.Zuiko 8-25mm f/4 PRO: A zoom lens by Olympus for Micro Four Thirds cameras, 8-25mm f/4. Specs - Maker: Olympus - Focal length: 8-25mm (zoom) - Maximum aperture: f/4 - 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 16-50mm on full frame; f/4 gives about the depth of field of f/8 there. ...

From Panasonic Leica DG 10-25mm f/1.7: Panasonic Leica DG 10-25mm f/1.7: A zoom lens by Panasonic for Micro Four Thirds cameras, 10-25mm f/1.7. A zoom as bright as a prime, covering 20-50mm equivalent. Specs - Maker: Panasonic - Focal length: 10-25mm (zoom) - Maximum aperture: f/1.7 - 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 20-50mm on full frame; ...

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