Nikon af s 70 200mm f 4g ed vr vs tamron 70 210mm f 4 di vc usd?

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From Nikon AF-S 70-200mm f/4G ED VR: Nikon AF-S 70-200mm f/4G ED VR: A zoom lens by Nikon for Full frame cameras, 70-200mm f/4. Lighter and cheaper than the f/2.8 versions. Specs - Maker: Nikon - Focal length: 70-200mm (zoom) - Maximum aperture: f/4 - Made for: Full frame sensors - Mounts: Nikon F - Stabilised: yes - Autofocus: yes What it frames like - On full frame (Nikon F): as marked, 70-200mm. - On APS-C (Nikon F): like 105-300mm on full frame; ...

From Tamron 70-210mm f/4 Di VC USD: Tamron 70-210mm f/4 Di VC USD: A zoom lens by Tamron for Full frame cameras, 70-210mm f/4. Specs - Maker: Tamron - Focal length: 70-210mm (zoom) - Maximum aperture: f/4 - Made for: Full frame sensors - Mounts: Canon EF, Nikon F - Stabilised: yes - Autofocus: yes What it frames like - On full frame (Canon EF, Nikon F): as marked, 70-210mm. - On APS-C (Nikon F): like 105-315mm on full frame; f/4 gives about ...

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