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Viltrox af 28mm f 1 8 vs sony fe 28mm f 2?

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From Viltrox AF 28mm f/1.8: Viltrox AF 28mm f/1.8: A prime lens by Viltrox for Full frame cameras, 28mm f/1.8. Specs - Maker: Viltrox - Focal length: 28mm (prime) - Maximum aperture: f/1.8 - Made for: Full frame sensors - Mounts: Sony E, Nikon Z - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E, Nikon Z): as marked, 28mm. - On APS-C (Sony E, Nikon Z): like 42mm on full frame; f/1.8 ...

From Sony FE 28mm f/2: Sony FE 28mm f/2: A prime lens by Sony for Full frame cameras, 28mm f/2. Specs - Maker: Sony - Focal length: 28mm (prime) - Maximum aperture: f/2 - Made for: Full frame sensors - Mounts: Sony E - Stabilised: no - Autofocus: yes What it frames like - On full frame (Sony E): as marked, 28mm. - On APS-C (Sony E): like 42mm on full frame; f/2 gives about the depth of field ...

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