Panasonic leica dg 100 400mm f 4 6 3 ii vs olympus 150 400mm f 4 5?

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From Panasonic Leica DG 100-400mm f/4-6.3 II: Panasonic Leica DG 100-400mm f/4-6.3 II: A zoom lens by Panasonic for Micro Four Thirds cameras, 100-400mm f/4-6.3. 800mm-equivalent reach in a lens you can hike with. Specs - Maker: Panasonic - Focal length: 100-400mm (zoom) - Maximum aperture: f/4-6.3 (it gets darker as you zoom in) - Made for: Micro Four Thirds sensors - Mounts: Micro Four Thirds - Stabilised: yes - Autofocus: yes What it frames like - On Micro Four Thirds (Micro Four ...

From Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary: Sigma 100-400mm f/5-6.3 DG OS HSM Contemporary: A zoom lens by Sigma for Full frame cameras, 100-400mm f/5-6.3.

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