Sony e 70 350mm f 4 5 6 3 g oss vs tamron 18 300mm f 3 5 6 3?

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From Sony E 70-350mm f/4.5-6.3 G OSS: Sony E 70-350mm f/4.5-6.3 G OSS: A zoom lens by Sony for APS-C cameras, 70-350mm f/4.5-6.3. Specs - Maker: Sony - Focal length: 70-350mm (zoom) - Maximum aperture: f/4.5-6.3 (it gets darker as you zoom in) - Made for: APS-C sensors - Mounts: Sony E - Stabilised: yes - Autofocus: yes What it frames like - On APS-C (Sony E): like 105-525mm on full frame; f/4.5-6.3 gives about the depth of field of f/6.8-9.4 there. - ...

From Sony FE 70-300mm f/4.5-5.6 G OSS: Sony FE 70-300mm f/4.5-5.6 G OSS: A zoom lens by Sony for Full frame cameras, 70-300mm f/4.5-5.6.

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