What is the ttartisan af 24mm f 3 8 mini good for?

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From TTArtisan AF 24mm f/3.8 Mini: TTArtisan AF 24mm f/3.8 Mini: A prime lens by TTArtisan for Full frame cameras, 24mm f/3.8. An ultra-light full-frame pancake of about 57 grams. Specs - Maker: TTArtisan - Focal length: 24mm (prime) - Maximum aperture: f/3.8 - 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, 24mm. - On APS-C (Sony E, ...

From Focal length converter: Aperture and depth of field: The f-number sets exposure, and that doesn't change with sensor size: f/2.8 gives the same brightness on a phone as on medium format. Depth of field does change. At the same framing, multiply the f-number by the crop factor to get the full-frame aperture with the same depth of field: f/1.8 on APS-C gives about the background blur of f/2.7 on full frame, and f/1.8 on Micro Four Thirds about ...

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