Canon ef 40mm f 2 8 stm vs tamron sp 35mm f 1 8 di vc usd?

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From Tamron SP 35mm f/1.8 Di VC USD: Tamron SP 35mm f/1.8 Di VC USD: A prime lens by Tamron for Full frame cameras, 35mm f/1.8. Specs - Maker: Tamron - Focal length: 35mm (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, 35mm. - On APS-C (Nikon F): like 52mm on full frame; f/1.8 gives about ...

From Canon EF 40mm f/2.8 STM: Canon EF 40mm f/2.8 STM: A prime lens by Canon for Full frame cameras, 40mm f/2.8. Specs - Maker: Canon - Focal length: 40mm (prime) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Canon EF - Stabilised: no - Autofocus: yes What it frames like - On full frame (Canon EF): as marked, 40mm. - On APS-C (Canon) (Canon EF): like 64mm on full frame; f/2.8 gives about the depth of ...

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