Is the panasonic lumix s 20 60mm f 3 5 5 6 good on aps c?

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From Panasonic Lumix S 20-60mm f/3.5-5.6: Panasonic Lumix S 20-60mm f/3.5-5.6: A zoom lens by Panasonic for Full frame cameras, 20-60mm f/3.5-5.6. A kit zoom that starts at a genuinely wide 20mm. Specs - Maker: Panasonic - Focal length: 20-60mm (zoom) - Maximum aperture: f/3.5-5.6 (it gets darker as you zoom in) - Made for: Full frame sensors - Mounts: L-Mount - Stabilised: no - Autofocus: yes What it frames like - On full frame (L-Mount): as marked, 20-60mm. - On ...

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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