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Is the viltrox af 28mm f 1 8 good on aps c?

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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 Viltrox AF 28mm f/4.5: Viltrox AF 28mm f/4.5: A prime lens by Viltrox for Full frame cameras, 28mm f/4.5. A body-cap-thin pancake of about 60 grams.

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