Tamron sp 45mm f 1 8 di vc usd vs nikon af s 50mm f 1 8g?

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From Tamron SP 45mm f/1.8 Di VC USD: Tamron SP 45mm f/1.8 Di VC USD: A prime lens by Tamron for Full frame cameras, 45mm f/1.8. Specs - Maker: Tamron - Focal length: 45mm (prime) - Maximum aperture: f/1.8 - 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, 45mm. - On APS-C (Nikon F): like 68mm on full frame; f/1.8 gives about ...

From Nikon AF-S 50mm f/1.8G: Nikon AF-S 50mm f/1.8G: A prime lens by Nikon for Full frame cameras, 50mm f/1.8. Specs - Maker: Nikon - Focal length: 50mm (prime) - Maximum aperture: f/1.8 - Made for: Full frame sensors - Mounts: Nikon F - Stabilised: no - Autofocus: yes What it frames like - On full frame (Nikon F): as marked, 50mm. - On APS-C (Nikon F): like 75mm on full frame; f/1.8 gives about the depth of field ...

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