Sigma 90mm f 2 8 dg contemporary vs zeiss loxia 85mm f 2 4?

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From Sigma 90mm f/2.8 DG Contemporary: Sigma 90mm f/2.8 DG Contemporary: A prime lens by Sigma for Full frame cameras, 90mm f/2.8. Specs - Maker: Sigma - Focal length: 90mm (prime) - Maximum aperture: f/2.8 - Made for: Full frame sensors - Mounts: Sony E, L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, L-Mount): as marked, 90mm. - On APS-C (Sony E, L-Mount): like 135mm on full frame; f/2.8 gives about the ...

From Zeiss Loxia 85mm f/2.4: Zeiss Loxia 85mm f/2.4: A prime lens by Zeiss for Full frame cameras, 85mm f/2.4. Specs - Maker: Zeiss - Focal length: 85mm (prime) - Maximum aperture: f/2.4 - Made for: Full frame sensors - Mounts: Sony E - Stabilised: no - Autofocus: no, manual focus What it frames like - On full frame (Sony E): as marked, 85mm. - On APS-C (Sony E): like 128mm on full frame; f/2.4 gives about the depth ...

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