Laowa 105mm f 2 stf vs sigma 105mm f 1 4 dg hsm art?

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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 Laowa 105mm f/2 STF: Laowa 105mm f/2 STF: A prime lens by Laowa for Full frame cameras, 105mm f/2. A smooth-trans-focus portrait lens with an apodisation filter for soft bokeh. Specs - Maker: Laowa - Focal length: 105mm (prime) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: Sony E, Canon EF, Nikon F, Pentax K - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Sony E, Canon ...

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