Sigma 105mm f 1 4 dg hsm art vs viltrox af 75mm f 1 8 evo?

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From Sigma 105mm f/1.4 DG HSM Art: Sigma 105mm f/1.4 DG HSM Art: A prime lens by Sigma for Full frame cameras, 105mm f/1.4. A very large, very heavy portrait prime known for its background blur. Specs - Maker: Sigma - Focal length: 105mm (prime) - Maximum aperture: f/1.4 - Made for: Full frame sensors - Mounts: Canon EF, Nikon F, Sony E, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (Canon EF, Nikon F, Sony ...

From Viltrox AF 75mm f/1.8 EVO: Viltrox AF 75mm f/1.8 EVO: A prime lens by Viltrox for APS-C cameras, 75mm f/1.8. Specs - Maker: Viltrox - Focal length: 75mm (prime) - Maximum aperture: f/1.8 - Made for: APS-C sensors - Mounts: Sony E, Fujifilm X, Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On APS-C (Sony E, Fujifilm X, Nikon Z): like 112mm on full frame; f/1.8 gives about the depth of field of f/2.7 there. ...

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