Is the tamron 70 210mm f 4 di vc usd good on aps c?

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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 ...

From Tamron SP 70-300mm f/4-5.6 Di VC USD: Tamron SP 70-300mm f/4-5.6 Di VC USD: A zoom lens by Tamron for Full frame cameras, 70-300mm f/4-5.6. Also sold later in a silver-ring finish as model A030.

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